Shizuku Mizutani is apathetic toward her classmates, only caring about her grades. However, her cold view of life begins to change when she meets Haru Yoshida, a violent troublemaker who stopped attending class after getting into a fight early in the school year. He is not much different from her, though—he too understands little about human nature and does not have any friends. Much to Shizuku's surprise, he proclaims that she will be his friend and immediately confesses his feelings toward her upon meeting her. Because of her lack of friends and social interaction, Shizuku has a hard time understanding her relationship with Haru. But slowly, their friendship begins to progress, and she discovers that there is more to Haru than violence. She begins to develop feelings for him, but is unsure what kind of emotions she is experiencing. Together, Shizuku and Haru explore the true nature of their relationship and emotions. Mizutani Shizuku is the type of person who only cares for her own grades. But when she accidentally delivers lesson notes to Yoshida Haru, he becomes convinced they are friends. Haru turns out to have a very innocent personality, but who would’ve thought that Haru would actually confess to Shizuku? A cold-hearted girl and super-troublemaker romance with a fresh new perspective.