Tarou Kabakura, a senior in high school and captain of the boys" volleyball team, is repeatedly harassed by his junior Hanako Koyanagi, who commands the girls" squad in the school gym.
Koyanagi demands, insisting that because the girls have an upcoming match, Kabakura surrender the courts so they can practice.
When he refuses, she produces photographic evidence that exposes his secret hobby to the entire team.
Facing the risk that the entire team might discover his otaku passion, Kabakura concedes and hands over the courts to Koyanagi, offering her private coaching sessions and promising to keep his secret hidden.
As they grow closer over shared training sessions, a lasting bond begins to form between them.
The third OVA—covering the "employee trip" chapters from volume six of the tankōbon—will accompany the special edition of the eleventh and final manga volume, released on October 14, 2021, featuring exclusive bonus content and behind‑the‑scenes footage.
