I'm the number one. Everyone knows. Everyone accepts. Everyone agrees. Everyone stays by my side. And everyone... is boring. But if someone go against me, I'll make them regret. Don't get in my way. The first place is mine and only mine. And the number one can only be me.
When Taehyung's sister's heart was broken by playboy Park Jimin, Taehyung's sister wanted to get revenge on Park Jimin and asks his brother for help. Taehyung found it weird, but agreed in the end because he can't disagree to his little sister's charismatic appearance or what we all call aegyo, plus he was that doting...
"why do you keep trying to save me?" "because i would be lost without you. you saved me. you made me really enjoy my life. so im returning the favour."