Yunhyeong and Chanwoo were inseperable since they were children. Anything that Yunhyeong did Chanwoo would copy... Well, almost everything. Growing up with only a few years majority of their friends are from the same circle; some do not know each other but they'd know about Chanwoo or Yunhyeong vice versa.

The "Fan mails" has a note: "Read in according to age: Jinhwan, Yunhyeong, Jiwon, Hanbin and Donghyuk before you open that heavy package."

Jinhwan, Jiwon, Hanbin and Donghyuk are their closest friends. He thought to himself he was pretty sure Donghyuk mentioned there were 7 of them before... or maybe he heard it wrong.

Slowly, he opens the letter from Jinhwan which included a photo of the two of them somewhere in a beach. 

Chanwoo,

Annyeong :) Don't ask but yes, he forced us to write this but if this letter helps bring maybe even a bit of the old Chanwoo we had then... 

You were a cheeky kid Chanwoo. I still remember the time Yunhyeong was dead worried thinking you ran away from home only to find out you spent the whole time in a PC Room.

After that he started working part time in a PC room you and Jiwon frequent. Ha, he refused to talk to your for a whole week but ended up talking to you when you mentioned you wanted to live alone since he's ignoring you.

Your fights are cute but somehow worrisome at my end as you both tell on each other whenever you do. But as time went maybe that's my role and purpose as both of yours hyung. Because you know Bobby will o