Ep. 3: The girls face brutal beach training and a dangerous Irous attack during their special summer camp.
Aired on July 17, 2017

A group of girls travels to the beach to participate in a special training camp. The physical regimen they undergo is described as brutal, testing their limits significantly. However, the challenges they face extend beyond the structured exercises. Their additional summer activities prove to be potentially even more difficult or hazardous than the training itself. The situation escalates further when an Irous attacks the group during their stay. This unexpected threat adds a layer of danger to their already demanding schedule, forcing them to deal with both the rigorous physical demands and the immediate peril posed by the creature.
Episodes
- Ep. 1 · Miki, Haruka, and Subaru receive a surprise assignment from their teacher while Urara and Kokomi face their own problems.
- Ep. 2 · A New Hoshimori Joins the Ranks While Others Train to Catch Up
- Ep. 3 · The girls face brutal beach training and a dangerous Irous attack during their special summer camp.
- Ep. 4 · Emotional songs threaten the Fortissimo concert's success as staff shortages arise
- Ep. 5 · Kurumi seeks to understand Misaki by approaching her in the bath while Yuri and Nozomi recall their early days on the Hoshimori team.
- Ep. 6 · Kurumi and Renge wake up to find they have inexplicably swapped bodies after a difficult battle.
- Ep. 7 · A mysterious watcher targets the Hoshimori girls while a new Irous threatens Haruka and Subaru.