Five years have passed since they got married. They have not been blessed with children, and the Shiraki couple's sexual activity has been getting less and less every day. One day, Yuko is asked to take care of their neighbor's son, Takafumi, while the couple next door are traveling abroad. Yuko has Ke'ai Takafumi since he was a child, and wanted to treat him to a lavish dinner, but he is completely depressed... So, to cheer him up, the three of them decide to play "hide and seek". In order to hide from her demonic husband, Yuko invites Takafumi to hide in a dimly lit closet, their skin pressed together...