"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 my skin. "Namjoon.." I hissed glaring up at him. We stayed like that, keeping our eyes locked on the others. He let me go, "Behave sweetheart, you're in my world now, a dangerous world." Kim Sonagi (you) is sent to live with her older brother. The leader of the most feared gang in North and South Korea. Living with 7 ruthless men, Sonagi faces the dangers of living the gang life. Bts gang AU reader x Min Yoongi