Jennie Kim as your mother, she's been married to your dad Park Jongseong/Jay. You had a little brother named Jungwon, your parents are always arguing because your dad was cheating behind her back everytime your mom caughts your dad cheating with another woman. You were already 18 and in college while your brother is still 5 years old and in kindergarten.

Your dad came home from his office with his noticeble hickey on neck, your little brother saw him and approached him while you were in the couch scrolling and texting through your phone, "daddy!!" your little brother said.