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

confession

explanation

the truth

jimin

namjoon

yoongi

hoseok

159pe

jungkook

taehyung

and why do you look like you're jin but him as an 18 year old?

WHY DID YOU ANSWERED AND WHY DID YOU TALKED TO ME?

i came here to make sure about what he said and why are you here instead of him?