To Kim Jinhwan.

I sincerely greet you to the first letter, hello again Jinhwan. You must be confused about the whole situation right now, where an unknown sender, which is me, sending bunch of letters for you to read, when you thought I don't know you.

Oh how you're clearly wrong about that.

I know you, Jinhwan, so you're not a stranger to me. 

But maybe I'm still a stranger to you.

I told you in the previous paper that I will tell you who I am on the last letter, right? 

So I thought, why not giving some hints for you in the rest of them? You must be really curious about the sender, I mean, me.

Well, I am twenty-two years old, and a girl.

See you on the second letter, Jinhwan.

Regards,

Winter.

ㅡㅡㅡ

"She leaves it hanging," the young man muttered under his breath. Jinhwan had re-read the first letter over three times as he tried to remember some girls he knew, but there were none of them are twenty-two. He never knew anyone two years below him except his younger siblings, Hana and Chanwoo.

The knocks on his door made Jinhwan turned his head immediately as the said boy peeked his head into the room. "Hyung, is my backpack here?" 

The older boy looked around his workspace and smiled when he spotted his younger brother's backpack beside the sofa, "There," he nodded t