Aoi Isurugi (葵石動 Isurugi Aoi ) is Akari and Chinatsu's classmate, who is trying to find a way to make money. She is the secondary protagonist of the Yuru Yuri spinoff Reset! and Hiro Takaoka's best friend.
- She and Hiro make a cameo in the season 2 finale selling their Doujins. It would seem that Aoi has finally suceeded in making some money.