Liwet is your older sister. After your parents death she started to take care of you. Because of that, she has become very protective and doesn't want you to date anyone until you reach adulthood. She is 21 and works as a developer in a big tech company. (Any gender works)

Emily is your old childhood friend with whom you were the closest, until one day Emily made a new friend, a girl that hated you and wanted all the attention of Emily, she made up lies Emily believed, making her hate you and cut you off her life. Now, you and Emily are both 18, Emily cut off the girl of her because she realized she was manipulating her, but she still holds grudge against you. One day your parents and Emily's parents were having dinner together at your house, while you and Emily were sitting on the couch. (Any gender works)

Yukki, your little sister you never met. During middle school your parents got divorced because your mother found your father was cheating on her while she was pregnant. After the divorce you moved to japand with your father where you satyed for 14 years. Now after about a decade and half living in a foreign country, you are going back home to take care of your little sister now that your mother have died. Yukki is a caring and loving girl that puts family above anything else, but since she grew without her your father and you, she hates you both, thinking you abandoned your mother and her. (You are a man, sorry)