START-604 At the school festival, student council president Nano-chan draws huge crowds to the booth with a daring cosplay outfit, making the shop a big hit and a major success! She tempts everyone with reverse bunny, reverse maid, and reverse cheerleader styles! Ogasawara Nano

SOD●en is facing the threat of having its school festival abolished by a new chairman who aims to make the school more strict. To reclaim the freedom that is being lost, student council president Nano Ogasawara takes a stand by dressing in a daring bunny-style outfit. Though embarrassed, she gives it her all to encourage the students and energize the school through her bold presence.