Ep. 1: Illya and classmates shop for swimsuits before the beach trip, but Kuro needs mana.

Elementary school students celebrate the arrival of Summer Break with excitement. To prepare for a highly anticipated beach excursion, Illya and her peers visit a store to select new swimwear. The group enjoys browsing the revealing outfits available. Meanwhile, Kuro experiences a critical depletion of mana. He asks Illya to accompany him to a secluded stairway platform for assistance. Their private moment is unexpectedly observed by Mimi, who spots them from a distance. This encounter creates an awkward situation as the friends navigate the preparations for their summer outing. The narrative focuses on the interactions between the characters during this shopping trip and the subsequent incident involving Kuro's mana shortage.

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