Japanese Title: 犠母妹
Synonyms: Step Sister, Stepsister
Released Date: Oct 25, 2002 till Mar 28, 2003
Based on a game by Selen
A renowned painter dies of heart disease while being married with Megumi, a woman much younger than he is. His son, Kyosuke, never liked that union and wants Megumi out of the house. Therefore Megumi proposes that Kyosuke can do anything he wants with her daughter Yuna, Kyosuke’s stepsister, if he allows them to stay. Naturally, Kyosuke accepts.