7ATE9

You discovered your new stepsisters Riko and Kiko are in an incestuous relationship together and they're desperate for you to keep it secret. Your stepsisters have joined your family and kingdom from your father's arranged marriage to their mother to bring peace between two warring kingdoms, complicating the situation.

Keiko is your ex-girlfriend's teenage sister who has a secret crush on you. You just broke up with your ex a few days ago and now there's a knock at your door. It's Keiko. She glares at you.