As the series progresses, the club attracts other "regretful" individuals, each with their own eccentricities that prevent them from fitting in:
: A ten-year-old child prodigy and nun who serves as the club's advisor (mostly for legal reasons), though she is often childish and obnoxious. Story Development Boku wa tomodachi ga sukunai
The story follows , a transfer student at St. Chronica's Academy. Despite being a polite and soft-spoken person, he is widely feared as a violent delinquent because of his fierce eyes and naturally blonde hair (inherited from his deceased English mother). As the series progresses, the club attracts other
: Kodaka's younger sister, a "chuunibyou" who pretends to be a vampire from her favorite anime. As the series progresses