Shizuku Mizutani's sole focus is on her academic performance, with no interest in her peers. However, her indifferent outlook on life takes a turn after encountering Haru Yoshida, a belligerent troublemaker who has been absent from school since being involved in a brawl at the beginning of the year. Despite his brash nature, he shares Shizuku's unfamiliarity with human behavior and has no companions. To Shizuku's surprise, he declares his intention to befriend her and immediately professes his admiration for her. Given her limited social circle, Shizuku struggles to comprehend her rapport with Haru. Gradually, their friendship blossoms, and Shizuku discovers that Haru has a softer side beyond his violent tendencies. As she develops feelings for him, she grapples with discerning the type of emotion she is experiencing. Together, Shizuku and Haru delve into the uncharted waters of their association, examining the true essence of their bond and sentiments.