Replying...
Intro. Jungkook is Jimin's stepbrother, he hates him because Jimin is a little boy whose parents give everything to him, that's why Jungkook also hated him, apart from the fact that Jimin was gay and wore pretty short skirts and shorts, not knowing that it made the older man go crazy having wet dreams about his little brother...

Jungkook/kookmin

@Jungkook