After entering her puberty, Yui Aoi started having pimples on her face, which worries her that because her pimple, Kazuma might not like. But Kazuma confronts some girls who were trying to steal him away from Yui, after hearing about her pimple and worries, and Yui herself, and tells them her pimple won't change a thing. After they accidentally kiss and receiving an invitation to Kazuma's house, Hanabi and Marin encourage Yui to go make a step forward in their reationship. But after a bad moment at Kazuma's house, Yui runs off with tears and meet Inaba Mikami from her cram school, where they later talk and he makes a move on her. But Kazuma follows her and takes her away from Inaba, and they reconcile. On next day, Eikou publishes a secret taken photo of Yui and Kazuma's kiss and distributes it to Yui's cram school, shocking both Yui, Kazuma, and surprising Inaba.