This fanfic is purely based on '18 again', the kdrama. 

Jin, who is a man in his 20's will go back at being 18 and will be given a chance to change his life. would he take the risk of changing his life or would he try to go back to his original 20's self?

Again

i knew what?

the end of my problem

you know all along

jimin

namjoon

yoongi

hoseok

159pe

jungkook

taehyung

你一直都知道。

再次

是的，我去了。你什麼時候來？

金的旁白：我不知道這是怎麼回事，但我感覺他會說些不好的話。

智旻！我們是先點餐還是先聊天？

我說的話不會太長，咱們直接開始吧。

你再也回不到20多歲時的自己了。

金的旁白：有人告訴我我以後都不能再這樣做了…

我等了這麼久，我竭盡所能，就為了回去…

這樣一來，我的處境就說得通了。