Wataru is passionately in love with classmate Aika and confesses to her often despite her rejections. One day he is nearly hit in the head with a football and that brief moment of fear causes him to realise his own behaviour; thus he decides to begin distancing himself from Aika. His abrupt personality shift shocks everyone, including Aika, who is unused to him ignoring her. A girl named Rena begins interacting with him causing Aika to begin acting jealous. Rena has recently broken up with her boyfriend Kazuki and is trying to punish him by becoming close with Wataru. Wataru reveals he was brutally rejected by a girl in middle school and met Aika immediately after who treated him with kindness, causing him to fall in love. Having been rejected so many times he has decided to finally leave her alone. Rena understands and reconciles with Kazuki. Aika is confused Wataru continues to avoid her and visits his house to discover why, but is not satisfied with his claim of reforming his stalker-like behaviour, and when he insists they are now only classmates she runs home upset. The next day Aika’s friend Kei points out to a guilty Wataru that years of him hanging around prevented Aika making many friends, and without Wataru she is actually lonely.