Sinopse: Eight years have passed since they promised the witch to keep loving each other. It's a silly little naughty love story where adolescent childhood friends secretly observe each other and the coming fate that could result from their love. Title is officially translated as "Only I know that Hinako Hirasaka is erotically kawaii." Motion Chapter: Chapter 1 featuring Masumi Tazawa (田澤茉純) as Hinako Hirasaka, Kentaro Kumagai (熊谷健太郎) as Hirouki Hirose, and Minami Takahashi (高橋未奈美) as The Witch