Tarou Kabakura, a senior in high school and the leader of the boys' volleyball squad, finds himself at odds with Hanako Koyanagi, a junior overseeing the girls' team. In a bid to secure practice space for her team's upcoming match, Koyanagi pressures Kabakura to relinquish the courts. When he resists, she threatens to expose his hidden otaku pastime through incriminating photos. Faced with the risk of his teammates discovering his secret obsession, Kabakura yields and grants Koyanagi access to the courts, offering her personal training in the process. Through this unexpected alliance, their relationship deepens, paving the way for a lasting connection.