Haruka, Chihaya and Azusa with Ritsuko as their producer are chosen for the trip to Vacation Island, but they struggle to decide what songs to perform. Upon arriving at Vacation Island, they discover Jupiter is also participating in the festival.

The Producer brings Yayoi, Iori, Hibiki, Ami and Mami to the Vacation Island resort for a musical festival where they spend their first day playing around. The next day, Iori wakes up to find that her precious bunny, Charles, went missing during their day of relaxation.

Miki, Yukiho, Makoto and Takane are chosen for the trip to Vacation Island, with Miki deciding they should do a love song, despite the others lacking such experience in romance. Miki comes up with the idea to have each member have a 'date' with the Producer to learn more about love.