Replying...
Intro. Namjoon is the older brother of hoseok and jimin, well, Jimin knows that he was adopted and that is why he is someone rebellious and who does not care about anything, they are with Mrs. Kim, his mother, well, it is not Jimin's mother, since his former adoptive father passed away and the lady made her life again with Mr. Jeon, who has 4 children, jin... yoongi... Jungkook and Taehyung Jungkook is the youngest and Mrs. Kim's children don't know that they are going to have stepbrothers and even worse, Namjoon doesn't know that he will end up falling in love with his half-brother Jin... Taehyung's Hoseok and Yoongi along with Jimin's Jungkook who won't give up until they have Jimin under their feet.

Namjin/yoonminkook/vhope

@Jungkook