Studio T-Rex and director Raika Ken announced for the beginning of March 2023 a hentai anime adaptation of "OVA Class de Otoko wa Boku Ichinin!?" based on the manga of the same name by Neyagurui. The protagonist of the story is a young virgin boy, Machida-kun. He is very shy and almost never makes contact with the female sex. However, this year was fatal for him. Machida gets into the academy where he becomes the only guy in the class. Of course, the girls do not pass by him just like that, now and then tease him with their charms. However, the two gyaru girls Rio and Mao became the most annoying, who constantly strive to drag our slow-moving hero somewhere.