Aira, Rizumu, and Mion go on a school trip to Kyoto, where they find Hibiki filming a segment for Go! Go!! Callings. Rizumu gets jealous of Hibiki and Kanon's relationship, while Serena invites MARs to attend their comedy routine. MARs finds out that Serena had planned on humiliating them by forcing them to perform as their opening act. However, their impromptu comedy routine performance becomes a success and they end with a Prism Show. Afterwards, Hibiki clarifies to Rizumu that Kanon is his little sister.