Natsu no Arashi!

Season 2, Episode 5: Can't Stop the Romance

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During her shift at "Hako-bune," Kanako, all of a sudden, gets dizzy and drops the salt shaker. When Kanako borrows some glasses from Arashi, she is surrounded by a bright light, transforming her into a maid warrior. Disregarding how Kanako feels, Hajime and the others, wanting to see her transform again, try to get Kanako to wear the glasses again. All of a sudden, "Hako-bune" has turned into a cosplay party for the girls.