His little sister (Bts gangster fanfic)
"You think I'm so helpless, but I'm not!" "There's a lot you don't know about the world, sweetheart." "Oh really? So then enlighten me, big brother." "Well, you should learn I won't let anything happen to you, ever. So get used to being here, little sister." He growled gripping my arm. His finger tips pressing against...