MY STEP- BROTHERS (BTS,TXT&BLACKPINK) SEASON 1

choi y/n 19 years old,live with her mother and her brothers, y/n is sweet to love ones (who cares about her) but dangerous,cold and scary to unknown, hates her mother because she thought her father dies because of her, the thing y/n does not know was her is getting married to someone soon, well her brothers also don't...