S1 exclusive 'Mei Washio', who has a bright and gentle charming personality and the industry's highest Jcup, lives together with a woman and a virgin Kun for one month! At first, he struggles with his behavior, which is not used to women, but gradually opens his heart to Mei-chan, who does his best gently ... Eventually, the virgin Kun, who was addicted to SEX, was so crazy that he sought sex with Mei-chan every day ...! Mei-chan kindly accepted all my unreasonable requests. Dream cohabitation life observation document!