Chihiro Furuya loves photography, but is left disappointed after the school he enrolled at has no photography club... However, after being coerced into the cosplay club by the school's beauty, Shouko Hatano, he also ends up in the women's bathroom by accident, where he is forced into the girl's uniform to escape! Shouko, now equiped with blackmail against Chihiro, orders him to take part in a cosplay event!?