Years ago, Himura Yuu was determined to maintain his top academic position at Otowa Academy. However, his studious routine was interrupted when he met Amamiya Yuuko. Memories from their childhood flooded back as they reconnected, forcing Yuu to confront their shared past and present sorrows. In the present day, Kuze Shuuichi appears to be a womanizer but really prefers solitude. Hayama Mizuki, on the other hand, is drawn to him after hearing him play the violin. Although she tries to create a bond with him, Kuze attempts to keep his distance, hinting at a looming tragedy in their relationship.