-Come on in. -Okay.
-Gosh. -Are you okay, Jung-hyun?
Yes, I am.
-Are you okay? -Yes.
Everyone must've left early
because it's Saturday.
So, this is it.
This machine is used to make holes.
And this is called milling.
It's used to plane the metal smooth.
I mostly handle it.
Well...
This is it.
Feel free to look around.
It's fascinating. This is where you work.
Isn't it interesting?
One minute.
What is that for?
It's called SS.
-SS? -Yes, SS.
Oh, it's stainless steel.
It doesn't rust easily. It never changes.
Watch me.
Do you want to try?
Me?
-Come here. -Well...
I'm not sure if I can do this.
Put your bag over there.
Wear these gloves.
Wait a second.
Yes.
Stand right here.
And fix it
to this.
Okay. But, Jung-hyun...
Jung-hyun, do you think I can do this?
I'll help you.
I'm a bit scared.
-Are you ready? -Yes.
My once restless heart
Wants to go back To the first time I met you
And hold you tight
I'm walking with my breath running out
Well done.
Even if I think of you suddenly
Now...
we need to cool it down like this.
Will I be alright? With you?
-Wow. -Ta-da!
It's a ring, isn't it?
Under the faraway sky
Do you want to try it on?
Standing with you
Hoping we can be here forever
We're walking together
Tell me that this dangerous path
Won't be too hard
Wow, it's very smooth.
It's fascinating.
Under the faraway sky
Standing with you
Hoping we can
Be here forever
I don't want to let go of this moment
We must walk together
I promise you that
You won’t be alone on this dangerous path
EPISODE 12
Yeon-soo.
Who...
Who are you?
You're not Han Jung-hyun.
Who are you?
Tell me!
Who are you?
Put that down first.
Han Jung-hyun is dead.
He died when he was seven.
His grave is in the orphanage where you said you grew up.
-Yeon-soo. -Don't you try to fool me anymore!
I know everything now!
You tell me.
Who are you?
-I'm sorry. -That's not what I want to hear.
Answer me!
My name is...
Lee Suk-kyu.
Section Chief, I'm Lee Suk-kyu.
Kim Tae-yeol is here.
Lee Suk-kyu?
Lee Suk-kyu... Who is Lee Suk-kyu?
Then what? Were they watching us at Auntie's Bar?
His name is Lee Suk-kyu.
Yeon-soo.
Yeon-soo!
Yeon-soo.
NAME: LEE SUK-KYU
UNDERCOVER NAME: HAN JUNG-HYUN
AGENCY FOR NATIONAL SECURITY PLANNING
MISSION FAILED TRYING TO TAKE FOLLOW-UP MEASURES
His name is Lee Suk-kyu,
and his undercover name was Han Jung-hyun.
He was one of the undercover agents of NIS,
which was formerly ANSP.
We dispatched him to arrest Kim Tae-yeol, the then chairman of NCSR.
To arrest Kim Tae-yeol?
Are you saying Jung-hyun was a spy?
Yes.
When did you find out about this?
We, the NIS agents, are not supposed to know each other,
or each other's missions.
I recently
looked into the death of Park Doo-sik, who murdered Kim Tae-yeol,
and found out about Lee Suk-kyu who had long been forgotten.
Are you...
threatening me now?
I just want us to be careful.
It's not only the dark past of the NIS.
If this goes public, Director Choi Yeon-soo
can no longer be in the CIO.
It may also bring trouble to the VIP, who appointed her.
I was worried,
so I requested a meeting with you to let you know about this.
I hope it helps.
She had stomach cramps.
She'll be fine once she gets some rest.
-I see. Thank you. -Sure.
Lee Suk-kyu.
My social security number is 680930-1257557.
An intelligence agent of ANSP, Anticommunist Investigation Unit Eight.
Entered National Police University in 1987.
Entered ANSP during the second semester of my sophomore year.
In May 1991, I got a mission.
It was to gather information needed to arrest Kim Tae-yeol.
My job was to investigate his acquaintances...
and form relationships with them.
A spy!
You were a spy!
Wait! What's your name?
-Sorry? -I'm Choi Yeon-soo.
I'm Han Jung-hyun.
Did you approach me on purpose?
In October 1991, Lee Suk-kyu disappeared
after handing in his resignation.
No.
No. That can't be true.
Since then...
I've never lived as Lee Suk-kyu.
Don't lie to me.
I thought I could do that to be with you.
Yeon-soo.
Please believe me.
No.
Thank you, Jung-hyun.
I definitely have an eye for a good man.
You and our kids...
are everything to me.
Shut up.
DAEHAN MEDICAL CENTER
Ms. Choi Yeon-soo's husband
was one of the undercover agents of the NIS,
which was formerly ANSP.
We dispatched him to arrest Kim Tae-yeol, the then chairman of NCSR.
This investigation hasn't progressed much.
He keeps asserting that Park Won-jong is just a friend of his.
He doesn't remember about the memory chip?
Apparently, he forgets things easily just like a dementia patient.
He luckily hit the jackpot in the stock market!
He invested 20 million won and earned 100 million in two months.
Does he think we'll believe that?
Judging by the dates of their rendezvous,
I'm sure Park Won-jong gave him the information.
He obstructed the investigation and concealed the evidence for sure.
But there's no direct evidence
that shows Park ordered him to fabricate the Cha Min-ho case.
What do we do?
If we fail to find the link between the two,
we'll have to transfer this case
to the prosecution or the police as corruption.
Goodness.
By the way,
Director Choi is out of the office again.
She's taking the afternoon off.
The CIO Director is her mom.
Ms. Choi's daughter is in ninth grade. I'm sure she's very fussy.
And you're very nosy, Mr. Bae.
Why do you worry about her daughter?
With you in my arms I'll fly higher
Together, towards a better tomorrow
I can't take away the pain of the past
Or the days spent alone
But we shall walk together from here on
I'll walk with you on this deserted path
I'll cry with you in sadness
Yeon-soo! Wait a second!
It is hard, we are afraid
But I can see this is worth it
The seasons come and go
The frozen land has melted
The grains of wheat will be buried
Under the soil and bear fruit
I can't imagine the long sadness And hard days
I'll walk with you on this deserted path
I'll cry with you in sadness
In my ragged life You were like a rose
You gave me a scent And I smiled because of you
I'll cry with you in sadness
I'll walk with you on this deserted path
Hi, Mom.
Mom.
Are you okay?
Dad, what's wrong with Mom?
Mom.
Mom, are you sick?
Don't be sick.
If the Director of the CIO is sick, everyone will be worried.
I'm fine.
Have you been overworking yourself?
Get some sleep.
You will feel refreshed.
Okay.
Seung-goo.
Let her get some rest.
Sleep tight, Mom.
What's wrong with Mom?
I'll fix you dinner quickly.
Mom and Dad have the same look on their faces.
Is Dad tired too?
I don't think that's the only reason.
Jung-hyun.
I had a strange dream.
You said you aren't Jung-hyun,
and our relationship is a complete sham.
It's not true, is it?
It can't be true.
You saved me in the police bus.
It was you. It was Han Jung-hyun.
I can't believe...
this.
You made me this ring.
You worked in a factory.
All this is real!
I first saw you...
at Hwang Jung-ho's trial.
It was fascinating to see you fearlessly tackle the judge and prosecutor
who were old enough to be your father or older brother.
Your Honor! Let go!
And you call this the court?
On the day we first met,
you were in the front row of the protest.
The third one from the central flag on the left.
You weren't covering your face.
I got caught by the police intentionally
to get on the bus to approach you.
-Uphold the Constitution! -Uphold the Constitution!
Hey, you're so loud. Shut your mouth!
And when we got out of the bus with Choong-mo,
you asked me my name.
When I went to your school and got caught
by the protesters,
you saved me.
He's my friend.
And when you called me your friend...
I was so happy.
I couldn't believe that someone like you was my friend.
That's when...
things started to get tough.
Shall we have jajangmyeon together?
If you're busy--
Meet me at the front gate this Saturday.
We promised to have jajangmyeon together.
And until I met you again...
the wait seemed to never end.
HAN'S BIKE LAB
What’s wrong and right
My hidden memories haunt me
Hard to decide
Don't wanna face the old past me
I must have mistaken
My best decision was just
Keeping lies behind a door
I used to believe in
My lie was perfect until it was not
And now I'm asking myself
Where are you now?
Living in the moment Living in the distant
I won't stop
Here I am
Yeon-soo!
Yeon-soo.
Stop!
Yeon-soo, please. Yeon-soo!
I'm sorry.
It's all my fault.
I'm the one to blame. I'm sorry.
Seung-goo.
Seung-mi.
Our kids.
Let go of me.
My heart is drenched with you
Colored with your laughter
Your love shines brightly on me
It fills up my day
Mom.
Where'd you go so early in the morning?
Mom.
You weren't in the store.
Did you go out dressed like this?
The words make me stronger
What's wrong?
Mom, why are you sad?
My day begins and ends with you
Dad.
Mom is sad.
Why is she sad?
You and only you
Dad.
Did Mom find out about it?
-Seung-mi-- -You lent money to the lady.
Your old colleague.
Did she find out about it?
-It's nothing like that. -Just be honest with me.
You lent a lot of money to your female friend.
No woman would be happy...
Mom is also a woman after all.
But I don't quite understand her.
It's not like you cheated on her
or shacked up with some woman.
You just helped someone in need.
Mom spent all her life trying to help the wronged.
She sometimes left us with you and didn't come home for days.
It's nothing like that, Seung-mi.
What is it then?
Well...
Why are you two so serious?
I did something wrong,
and hurt her feelings.
You did something wrong!
What did you do?
How serious is it?
Later.
I'll tell you everything later.
Right now, I can't.
I'm going to work now, Seung-goo.
What about breakfast?
I think I have to skip it today.
Are you angry at Dad?
See you.
Step aside.
There's something you need to know.
Get out of the way.
You need to know this. It won't take long.
Do something about Do Young-geol.
Seung-goo.
Did you eat?
Seung-goo.
You need to eat. Open the door.
Seung-mi and I always ate together!
Even after a fight!
You told us to do it!
Seung-goo, your mom skipped breakfast
because she had urgent business.
Let's go up and eat.
You can make up later but you should eat together as a family!
Otherwise, you're strangers to each other!
CONGRATULATIONS ON ENTERING
NATIONAL POLICE UNIVERSITY IN 1987
Lee Suk-kyu.
My social security number is 680930-1257557.
An intelligence agent of ANSP, Anticommunist Investigation Unit Eight.
Entered National Police University in 1987.
Entered ANSP during the second semester of my sophomore year.
LEE SUK-KYU
Wait! What's your name?
Sorry?
I'm Choi Yeon-soo.
I'm Han Jung-hyun.
LEE SUK-KYU
INVESTIGATOR JEONG CHEOL-HUN
Hello, Mr. Jeong.
And?
Do something about Do Young-geol.
Good morning, Director Choi.
You look very tired.
Have a good day.
MR. DO, THE SECRETARIAT...
Mr. Do has been hacking your computer.
Yes.
We'll search the security team's office.
KIM GWANG-CHEOL
Mr. Do, the secretariat has found out that we've been hacking Choi's computer.
You need to run away.
Darn it.
You've prepared well.
There he is! Catch him!
Take care.
Catch him!
Stop! Stop there!
-Stop! -Stop!
-Hey! Stop! -Stop!
Stop!
Director.
Director Choi! Are you okay?
Gosh, that darn scum.
He ran off like a rat.
Work with the police and arrest him as soon as possible.
Okay. They get paid by the government.
So, how could they do this?
My goodness!
DIRECTOR'S OFFICE
DIRECTOR CHOI YEON-SOO
Director.
-Yes? -We've secured all the charges on Mr. Do.
He's a wanted man now.
I see.
Are you okay?
Yes, I am.
Excuse me, then.
Hello?
Patient Go Yoon-joo?
What do you mean she disappeared?
Did you report it to the police?
Okay, call me if you find her.
Okay, bye.
Yoon-joo, are you okay?
Suk-kyu...
INCOMING CALL
Hello?
Thanks.
Go Yoon-joo?
You saved me once again.
Are you okay?
I left the hospital.
What are you going to do now?
Choi Yeon-soo was followed, wasn't she?
Why do you ask?
I need to meet her again.
I beg you.
Please stop dragging Yeon-soo into this.
Their next target could be Yeon-soo.
Hello?
Not yet?
No.
Seung-goo, open the door just once.
Seung-goo.
Take this. I got only the legs.
You can have them all alone.
They're all yours.
Make sure you eat them.
Dad.
I don't know how serious the problem is between you and Mom...
but I can't imagine our family without you.
He may not know.
But he can't live without you.
Thanks, sweetheart.
Gosh!
I told you to just eat them.
They're 12 chicken legs.
You want me to eat them all?
It's your lie, isn't it?
This is all because of your lie!
Gosh, whatever.
Do whatever you want.
Don't be so harsh on him.
Anyway...
you should pacify Mom somehow.
All right, here.
Park Won-jong in a suit
is giving a bribe to Goo Seo-bok in a jumper.
A bribe?
How do you know what's inside?
This video alone doesn't prove it.
What? Are you saying this isn't all?
You know me.
CCTV
What?
What about this?
This was captured 10 minutes after the meal
in the bank right next to the restaurant.
Well, this is--
Gosh, look at all that cash.
You opened a stock account right away with that money.
And the price of the stocks you bought hit it big.
Hey, Jeong Cheol-hun.
"Check your surroundings at all times."
Hey, you punk.
How can you do this to me?
Right, I learned it from you.
"Check your surroundings at all times,
Jeong Cheol-hun."
All right, then... Now...
Anything about Park Won-jong?
He's scheduled to arrive in the country at 10:05 a.m. tomorrow from Zurich.
I see.
I'll get ready and meet him there.
Okay. Any news about Do Young-geol?
No, not yet.
I'll stay on top of it.
Okay.
Who is he?
He's our security chief. This is my husband.
I see.
Nice to meet you.
Seung-goo, it's not a lie
that I like you.
That I like
your mom and Seung-mi.
It's not a lie.
But...
I told...
a lie.
I'm sorry.
Congratulations on becoming the party's leader.
It's only natural.
Congratulations.
Cheers.
After Kim Myung-jae died,
our party's approval rating has gone up.
The ruling party is just too incompetent.
We're only benefiting from it.
If the general election was held tomorrow...
we'll easily gain two-thirds of the seats.
Two hundred seats?
Isn't that number big enough to impeach a president unilaterally?
I doubt it's possible though.
Why is it not?
Considering the current trend, I believe it's possible.
I feel reassured to have a great captain.
Then now,
I guess we just have to wait for the wind.
No, not in this kind of world.
We must install an engine and take off.
Figures.
You should be that engine.
You see...
I'm trying to start the engine,
but there isn't enough fuel.
It won't start properly.
An amateur like Choi Yeon-soo is after some random people
for being what she is.
It must be frustrating to fill the tank.
The wind is about to overturn the ship.
If we stop the ship for how wasteful the sailors are with gas,
all of us will die in that ship called Korea.
Will you give up on the ship over a single rock?
Do you have any ideas?
I'll be looking forward to reading a nice article soon.
Well, well.
I see you are hiding something again.
Mr. Im.
Just fill the gas tank.
Then I will...
show you how good I am at sailing.
Shush.
Cheers to the future
of Korea.
What's with Do Young-geol?
You said I shouldn't leave him be. Why?
The NIS put him there to spy on you.
Why?
Why would they want to spy on me?
Can't you stop here?
What?
Let's just live like before.
Tell me!
Why would they spy on me?
Who is the guy that you fought against with a gun?
What did Go Yoon-joo try to tell me?
What on earth is it that you know?
To me...
my family is everything.
Lee Suk-kyu.
You're still only a spy.
No.
Lee Suk-kyu died after meeting you.
No, Han Jung-hyun died yesterday!
My husband and the kids' dad, Han Jung-hyun died!
HAN'S BIKE LAB
Mom.
Hey. How's your brother?
He was on a hunger strike all day long in the warehouse.
Dad moved him just now.
Let's all have breakfast together tomorrow.
Or his hunger strike will continue.
Why on earth is it that Dad is sleeping at the shop?
I'm sorry.
You don't have to apologize to me.
I believe...
we can forgive each other for anything.
He's Dad.
You're that person to me
Who I cannot...
I'm off to sleep.
Okay.
Help but think of
Slowly, I shall
Trudge on
To be closer to you
My dear, please open your heart
Look into my eyes
Just once
I won't ever let you go again
HAN
Hurry and come to me
Come into my arms
What?
Darn it, where did he go?
Goodness!
Darn it.
-Who are you? -Gosh.
Kwang-cheol.
Mr. Do.
How did you get out?
Everyone left to catch you. I got out then.
You and I are on a wanted list.
I know.
Aren't you going inside?
We should ask Mr. Im for help...
He isn't here.
Oh, no!
Let's go. What about Hyun-pil?
We're meeting up later.
I see.
Come.
I wonder how Choi Yeon-soo found out.
Didn't you get caught?
What?
The other day, you ran into him at the restaurant.
Maybe Lee Suk-kyu spilled everything.
He can't be that insane.
Do you have some cash?
Cash? Yes, a little.
Should we go eat something?
-Let's go. -Okay.
Mr. Park!
You must be coming from somewhere nice.
Mr. Choo, what's going on?
Are you here to see me? Aren't you busy?
I'd like to have you come to my office for a moment.
Well, I'm not at your beck and call.
Will you volunteer to accompany us,
or get arrested without a warrant and go in handcuffs?
Make a choice.
Arrested without a warrant?
Then go on and state my charges.
You're under arrest for giving a bribe to Captain Goo Seo-bok of Investigation Unit
at Northern Gyeonggi Station.
Giving a bribe?
We're going to Seoul, right?
I'm too tired to drive because of jetlag.
This is good.
Where's your car?
Okay.
Gosh, it needs to be washed already.
SPECIAL UNDERCOVER OPERATIONS
IDENTIFICATION CARD
BIRTH CERTIFICATE
Are you sure it's the same person?
Same fingerprints?
Okay, have this classified and discard all the information.
SENIOR SECRETARY KANG CHOONG-MO
If this goes public,
Director Choi Yeon-soo can no longer be in the CIO.
It may also bring trouble to the VIP who appointed her. I was worried.
So, I requested a meeting with you to let you know about this.
OPERATION HAN JUNG-HYUN
LEE SUK-KYU
This is...
Han Jung-hyun, my life's savior.
MAJOR TASKS
Did you say hello to my attorney?
You're tired, so let's get it done quickly.
Right. Mr. Choo.
This is a waste of time.
Gosh!
Do you know Son Joo-ri?
Yes, she's my personal trainer. Why do you ask?
She purchased the travel bag that was handed to Kim Myung-jae.
Oh, really?
What about it?
That bag she bought was delivered to Kim Myung-jae's house
with five billion won in it. You know that, don't you?
No, I don't.
You're the one
who reported the video of Kim Myung-jae.
I know nothing about it.
You reported the video by a warehouse in Gimpo and ran away.
This picture was taken that day.
This driver looks so much like you.
My gosh, are you saying this is me?
Oh, come on. Don't be silly.
Mr. Choo, you already know this can't be admissible evidence.
Don't accuse someone innocent. I'm tired, so just let me go home.
Fine.
Captain Goo Seo-bok of Investigation Unit
at Northern Gyeonggi Station. You know him?
He's a close friend of mine. Why?
Oh, that's me.
It's me.
This place serves delicious food.
What about it?
-Explain it. -Gosh!
Explain what?
This is crazy.
Are you saying that's bribery?
You're still playing innocent.
There has to be something for me to play innocent or whatever.
Oh, my!
He bought stock with the money I lent him.
-What about it? -You lent him the money?
Of course. What else could this be?
He said he got some killer information and asked me to lend him money.
He suggested that I invest in it too,
but my occupation doesn't allow me.
So, you will stick to the moneylending story.
That's not what I'm trying to do.
It's a fact.
Gosh!
Did you bring it with you?
PROMISSORY NOTE
You seem surprised.
It's true we're close friends, but I wouldn't just lend him that much.
Look, it's written here.
"Goo Seo-bok has borrowed 20 million won from Park Won-jong.
He's thus in duty to repay it within a year."
His seal is here.
It's over.
REPUBLIC OF KOREA, SEOUL
Don't act like an amateur.
I mean, how can you still be clueless about where to sign and whether to sign?
How disappointing!
Take it. I know from experience that it helps when you're down.
Director Choi.
Share it.
It helps when you're feeling down.
Together.
Yes.
That man, Park Won-jong,
will drive me nuts!
So?
What did you find?
DIRECTOR CHOI YEON-SOO
Come in.
I've looked a bit into Park Won-jong.
I haven't gone into the details yet but this one may be important.
So, let me report it to you first.
Go on.
There's only one person in the NIS that gives orders to him.
Who is it?
Executive Director Im Hyung-rak.
My name is Im Hyung-rak.
It's good to see you. I'm Choi Yeon-soo.
Im Hyung-rak is behind Park Won-jong?
If this information is true,
Im Hyung-rak is the mastermind of Cha Min-ho and Kim Myung-jae's cases.
Do you have evidence to prove their connection?
I will find it soon.
Okay.
IM HYUNG-RAK
EDUCATIONAL BACKGROUND
IM HYUNG-RAK 61 YEARS OLD
NSB
There.
That's 10,000.
Hundred.
100 bundles with a hundred 10,000-dollar bills each.
It's 100 million dollars in total.
Good work.
And this.
It's top-class chocolate from Switzerland.
How do you like its taste?
It's bitter.
Oh, I see.
It's Mr. Do.
Open the gate.
Hello, sir.
What a mess.
I'm sorry.
I sent you to the CIO to handle the nuisance,
and you became a nuisance yourself.
Lee Suk-kyu and Choi Yeon-soo
have been behaving strangely.
I'm checking if Lee Suk-kyu has an ulterior motive.
If he goes up to her and runs his mouth,
it won't be good at all.
Please take us off the wanted list first.
We will handle the nuisance somehow.
Look.
Kwang-cheol is with me.
We can't even use
our credit cards.
It's been tough for us.
Take this.
I hope you aren't starving yourself.
It's none of your business.
Going around from this company to that...
when will you get promoted?
Shut up if you want to save yourself.
Oh, my!
Your eyes look wild with all that hunger.
Stay low for the time being.
Thank you, sir.
By the way,
when will I be reinstated--
I'll stand by.
Goodbye.
Be careful not to get caught.
HAN'S BIKE LAB
You're home late.
Hey, Choong-mo.
What brought you all the way here?
You got something to tell me?
This isn't like you.
Say it. I'm okay.
What is this?
You want me to open it here?
LIST ON AGENT LEE SUK-KYU OF ANSP
LEE SUK-KYU
OPERATION HAN JUNG-HYUN
I wondered if I should let you know.
But I couldn't help it.
Did you know?
Han Jung-hyun...
I mean, Lee Suk-kyu was an agent that came to get Tae-yeol.
Doesn't that bother you at all?
I'm sorry.
When did you find out?
It's been a few days.
It must've been hard on you.
But it's true
this matter is like a time bomb to the current government.
Right.
I understand.
I'm sorry, but I want you to step down from your position.
Give me a few days.
Will you be at Tae-yeol's memorial ceremony?
Yes.
Make a decision by then.
I'll be going.
HAN'S BIKE LAB
HANGUK UNIVERSITY
Hi.
You're here alone.
Yes, have you been well?
Yes. How are Yeon-soo and your kids?
They're well.
I don't know much.
I watched her on TV, and I can tell she is very busy these days.
Right.
How are you doing?
You mentioned last time that you had backache.
It's the same all the time.
Do you want to get going now?
Yes.
But before that...
about the thing that I left with you...
Yes.
Yeon-soo.
Ma'am.
You're here.
I heard you asked Jung-hyun to pick me up.
I could come alone.
You came.
Let's go, ma'am.
Ma'am! My goodness!
Oh, goodness.
Ma'am.
Choong-mo.
It's so great to see you.
Do you recognize me?
There's no way I could forget you.
My Tae-yeol
would be happy to see you.
He must be watching.
Just to hear that...
my Tae-yeol...
His name is Lee Suk-kyu,
and his undercover name was Han Jung-hyun.
You came.
Hello.
Jung-hyun drove me here again.
I should've been more attentive.
Thank you.
Ma'am, let me escort you.
Okay.
My goodness!
Ma'am, how are you feeling...
How shameless of you to come here. Leave.
I need to give you something. I'll be waiting.
You have no right to be here.
Mr. Im is on the move himself.
They take every means possible and I'll do just the same.
-What is this? -It's about the disguised identities
of the past undercover agents.
It seems highly likely that these bank accounts are related
to the NIS' special budget.
The tablet PC, you crazy jerk. You son of a gun!
-Do you mean Chief Director Park Won-jong? -Catch him immediately.
Mr. Im is trying to kill you now?
You must not let him go.
Let me help you.
I'll do anything to protect our family.
Suk-kyu.