Ep. 24: Aira, Mion, and Rizumu enjoy a Kyoto school trip filled with misunderstandings and prism competitions.

Aira, Mion, and Rizumu travel to Kyoto for their school trip, where they unexpectedly reunite. Rizumu spots Hibiki filming alone and chases after him with the others. Mion speculates that Hibiki has a girlfriend in Kyoto, causing Rizumu to lose her balance. They encounter Serena and Kanon, and Rizumu becomes jealous when Hibiki appears friendly with Kanon, who promised to eat matcha parfaits with him. Rizumu runs away, feeling envious all night. The next day, they attend Serena and Kanon’s prism show, believing they were invited to compete. Serena lies about needing a comedy act beforehand. The group successfully entertains the crowd and performs a prism show, defeating their rivals. Kanon returns to find Hibiki, but Serena drags her away for training. Hibiki invites the trio to share the promised matcha parfaits, which are enormous. Rizumu concludes that this was the best school trip.
Episodes
- Ep. 20 · Mion Bets on Aira and Rizumu Against Serena and Kanon in Summer Queen Cup
- Ep. 21 · Mion's Guilt Over Queen Cup Loss Leads to Emotional Reconciliation
- Ep. 22 · The girls celebrate Aira and Rizumu's shared birthday with a surprise party featuring Callings and a prism show.
- Ep. 23 · MARs face technical chaos and a volleyball mishap during their televised debut performance.
- Ep. 24 · Aira, Mion, and Rizumu enjoy a Kyoto school trip filled with misunderstandings and prism competitions.
- Ep. 25 · Aira, Rizumu, and Mion celebrate friendship with bracelets after a sleepover and concert
- Ep. 26 · Aira, Mion, and Rizumu recall past events while preparing a large gyoza for the president.
- Ep. 27 · MARs Filming at the Beach Leads to a Dolphin Rescue and Prism Show
- Ep. 28 · Mion interviews a stubborn curry shop owner while wearing a maid outfit