A youngster named Haru Yoshida, who hasn't gone to school since the first day of classes since he beat three other students to the hospital, sits next to Shizuku Mizutani. The only thing that matters to Shizuku is her grades. Haru is certain they are buddies as soon as she gives him his class notes. Later, it is revealed that Haru is completely harmless and has a very gentle disposition. However, who would have imagined that he would unexpectedly declare his love for her! How will Shizuku behave?