Minami reunites with her husband, Hideto's cousin, Yasuharu by chance in the convenience store where she works part time. The couple invite Yasuharu to their home. While Hideto is happy to be reunited with his cousin, Yasuhiro makes a move on Minami behind her husband's back. Minami continues to reject Yasuhiro but soon, she's unable to escape Yasuhiro's escalating lust.