Kasumi Kaho MEYD-047 (This is a reference to a pornographic video where a woman is sexually assaulted by her husband's best friend.)

Kaho lives with her husband. Her husband's good friend, Shintaro, is temporarily staying with them after being fired. After living together, Shintaro gradually falls in love with Kaho and eventually succumbs to temptation. However, Kaho, who is dissatisfied with her husband, slowly accepts him...