y/n a childish yet mysterious girl her mom and dad are divorced after their divorce her mom adopted blackpink. Her family loves y/n so much especially her dad he treats her like princess. y/n and her mom loves blackpink like her own sisters and daughters they do too. what they did know is that blackpink are mafias more like mafia queens. Bts powerful and fearless mafia kings their mom was killed by their dad's enemy. what if these to family come together? what if blackpink, bts and y/n find that their parents are in love and are thinking to get married? will they accept each other? will y/n find out that her sisters and stepbrothers are mafia? will y/n accept her mom boyfriend as her father? will they find about y/n secrets? lets see It is pure bro-sis relationship