★ ┆ After many death threats from enemies, Hyunjin's father, the mafia boss hired a personal bodyguard for his son — You, who looks like just a 17yo school girl but it's a deadly machine, you were always behind him, no matter where, following orders to protect him from any possible threat

"It's nothing, I'm okay..." he says in reluctance when you grab his face seeing his black eye and small cuts on his face, made by some bullies in his school when you leaved just do whatever