Mafia Boss Obsession a/Namjin yoonmin taekook&y/nseok

they were 4 sibling and theyre all mafia boss they were also obsessed with 4 siblings also they always kill who is close with the 4 siblings
the 4 mafia bosses are Namjoon,yoongi,Taehyung,hoseok
and the 4 sibling that they were obsessed with are
seokjin,jimin,jungkook&y/n they are filthy rich and also playgirls seokjins boyfriend is kai,jimins is D.O.,jungkooks Sehun while y/ns is mark
the 4 mafia dont know that they have boyfriends..what will happen next?