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

it starts here

understand

let's go back

jimin

namjoon

yoongi

hoseok

159pe

jungkook

taehyung

我們回去吧

再次

jin's narration: we came up with the plan and we wrapped up our meet-up.

i came home and as soon as i sat on my couch, i called namjoon.

hi, jin! did you called because of the enrollment for school?

i have own money so you don't have to pay it, i just need someone to act as my parent or guardian.

sure! let's meet near the school at 12:00 pm.

jin's narration: after our call, i prepared for our meeting tomorrow and i went to sleep.