Still, I want to be loved by you... ~An unfaithful wife whose body is engraved with revenge in the name of discipline~

Satsuki spends her days with her husband, Eiichi, who is a year older than her, and has not had any night time activities for three years by taking lessons and going to clubs, but her ripening body is making her heart agonize. Just when she was thinking that she was not getting any younger and wanted to live a peaceful life with her husband's savings, she fell in love with a vocational student she met through her volunteer work and started a physical relationship. However, Satsuki didn't notice it at the time. Eiichi is aware of Satsuki's betrayal...