jungkook is your step brother in law but you don’t believe in it that you mom cheated in with another guy and had a daughter as your father divorced ur mother as she lives in Korea and ur step sister she tried to talk to u but u we’re elder than her so u would punish her and beat her that’s why ur mother went to Korea and your step sis got married to a rich billionaire named jk as ur already rich with ur dad and elder whither who cut ties with ur mum so u and ur brothers and cold rich mahajers