Japan was engulfed in a demographic crisis, forcing the government to implement the "Ikumonogakari" law, which permitted promiscuous sexual interactions among the people. They started doing practical and pedagogical activities on the lessons of sexual life and a partner's sexual fulfillment. The protagonists are young and inexperienced, so practical exercises will help them to improve their skills.
Maya Sugisawa
Shino Hoshina
Rikako Ito
Mashiro Kazahana
Honoka Yuuki
Umi Hanyuu
Saki Shioya
Kanami Aizawa
Suzuna
Koharu Minase
Ikkyuu Takahashi
Kouta Ooshita
Sakurai Shachi