After seeing Nana's passionate live performance, Megane's older sister was filled with emotion and embarked on a three-day summer vacation. During that time, Nana's butler, Hyozan, was put in charge of acting store manager. Inori and the others also decided to help out at the store. Thanks to Nana's publicity, many customers came, and the Wish-Fulfilling Team was full of energy. --And then Shioki arrived. Shioki, along with Ema, ​​belongs to the "Wish Town Mystery Research Society." She had wished to see the "Midsummer Blue Jewel," which is said to be only visible during the summer. Taking her wish to heart, Ema took to the stage for the live performance.