Koukou Kyuji Zawa-san

Koukou Kyuji Zawa-san was created by mangaka Mishima Eriko and serialized in the magazine Monthly Shonen Sunday beginning in 2010. The series explores the life of Zawa-san, a female high school student who is deeply passionate about baseball, focusing on her experiences as a dedicated fan rather than a player. It emerged during a period of diversification in sports manga, where creators began to pivot away from purely competitive action to explore the psychological and social nuances of fandom and the communal experience of high school athletics.

Mishima Eriko’s design approach is noted for its expressive, understated character work and a realistic portrayal of the day-to-day rituals of Japanese high school life. The series was well-received for its gentle, observational humor and its ability to capture the specific enthusiasm of baseball culture through a non-traditional lens. By centering the story on the observer's perspective, the work provides a unique entry point into the intense devotion surrounding the Koshien high school baseball tournaments.