Horio is a straight-laced teacher who satisfies his sexual desires by searching for girls he likes on support sites. - On this day as well, he succeeded in making an appointment with a cute girl, but the person who showed up there was Honoka, the most serious student in the class. - Horio can't hide his turmoil, but he accepts the forceful advances of Honoka, who seems different than usual, and they end up having a physical relationship.