Class de Otoko wa Boku Ichinin!?

Machida, a shy and inexperienced boy, experiences the unusual situation of transferring to an all-girls school. There, he quickly attracts the attention of Rio and Mao, who begin to tease and torment him. The pressure from their advances becomes overwhelming for Machida. During a particularly intense moment of teasing, he loses control in a classroom filled with girls. Only Rio witnesses the event and takes Machida to the infirmary. The anime explores the awkward and embarrassing situation Machida finds himself in, highlighting the challenges of navigating a new environment and unwanted attention. The story focuses on the interactions between Machida, Rio, and Mao, and the consequences of Machida's unfortunate experience.