Hikaru Tsutsui is a quiet, unassuming high school student who forsakes the company of his classmates to spend his time reading manga, playing video games, and watching anime. Hikaru is perfectly content to dwell in his 2D world, until one day he's assigned to clean the school pool with the beautiful Iroha Ikarashi, and she confesses her feelings to him. Will Iroha's affection draw Hikaru out of his shell?
The movie is based on the manga of the same name by Nanami Mao, as well as the anime, which was adapted in 2018 and 2019.
Mizutani Shizuku is a self-absorbed overachiever, concerned only with maintaining the highest grades in school. Yoshida Haru is an impulsive short tempered brute, who scares everyone with his explosive bursts of violence.
Haru gets suspended on the first day of school when he encounters some bullies harassing a student and dispatches the bullies with great bloody violence. Mizutani is tasked with delivering school materials to Haru who interprets this as an act of friendship and latches on to Mizutani, much to her dismay. And so begins a strange and potentially combustible relationship!