'Somehow... "It's kind of off-putting,' said to Hiyori in junior high, which made her decide to hide her otaku hobby and live her life. ——But one day, his popular and 'super open-minded' classmate, Kaito Natsushima, discovers the secret. Although Hiyori was flustered, he invited her to a limited-edition shop for her favorite anime, 'Pretty Sugar.' Seeing Natsushima stick to her love without caring about others' opinions, the prejudice that had bound Hiyori gradually loosens. At that time, he suggests a 'secret relationship' that is kept secret at school......!?