Akari, a secret idol otaku, loves to do fan activities with Onda, a guy who's scary on the outside but an idol-loving maiden on the inside. Having viewing parties, attending meet and greets, going to collaboration cafes, collecting trendy merch… she thought he was just a good friend to do all these fun idol activities with, but his shocking love confession leads to the two starting a trial relationship! From going on far-off trips for idol activities to visiting Onda's apartment – the heart-pounding twists never end! Akari's glad that they're getting closer, but she realizes one important thing: they're not dating yet, they're just testing things out!