Namjoon and his family are poor. His father is bedridden with sickness, his mother the only one working, and a younger sibling. Namjoon has to take care of his sibling, while also part-timing at a gas station.
Namjoon is always seen writing "You must survive" and "We must survive" on mirrors. He did this one time before leaving with his family to the countryside, that being the only note he left behind. Six months after his move, he runs back to their hometown. He is getting away from his family, the burden of taking care of his sibling. He wants to be accepted back into their group, but is unsure if he will, because of how he left. He starts to work at a gas station.
He meets Taehyung when a co-worker is beating Tae for putting graffiti on their walls. He meets Jin in a different timeline, and gets saved from going to jail.