: The protagonist, a quiet student and otaku who initially feels isolated from his peers before joining the club.

: A popular student with a cold exterior toward Sudou. She is eventually revealed to be one of his club partners.

The narrative follows , a self-admitted otaku who dreams of one day finding a partner and building a family. Despite his dreams, he is frequently mocked and called "Otaku-kun" by his popular and dismissive classmate, Umi Toono . After a rigorous selection process, Sudou is admitted into the school's club. He soon discovers that the partners assigned to him are Umi Toono herself and her best friend, Aika Asaki , both of whom had secretly been in love with him. Key Characters