"Repeat what you just said"
 
"Mr Cho... he left the country"
 
"how... when?"
 
"He left this letter address to Mr and Mrs Choi..."
 
Dear Appa and Umma (please allow my final childish behaviour in continue calling you such)
 
Firstly, please accept my deepest apologies for leaving so suddenly.  I wish i could do this in person but i'm afraid i'll change my mind.  I can't express how grateful i am for your support and kindness over the past years.  I believe i would have long die if it wasn't you two. 
 
From the moment i woke, till the realisation set in.  It felt like I was living my worst nightmare and there's no end to it.  I've lost myself and lost the will of my life.   I didn't know how I manage to live till now.  But don't worry, I've found the light to my darkness.    I can not tell you what it is, for that i wish to inform you of my departure.  
 
I am well enough to take care of myself, so don't you start worrying (umma especially you).
 
I am fully recovered and i'm in no position to stay under your care anymore.  I'm not a Choi after all, and i knew if i stay any longer i'll ruin the family you have cherish presently. 
 
Please do not come look for me.  I'll be fine, just pretend I have in fact never woken up from my coma. 
 
Praying for your health and happiness. 
 
Forever in your debt
Kyu
 
"omo.... my Kyu...we must find him"
 
"He's a good