Risa's husband has two fathers: Edojii, the father who gave birth to her, and Yamajii, the father who raised her. Risa visits her husband's family, but as soon as she arrives, Yamajii falls ill and asks Risa to look after him. However, this is just an excuse to sexually harass Risa... Edojii, who is jealous and finds out about this, approaches Risa's body, and Risa is forced to look after the private parts of these selfish old men...