Pururun Sangunshi Piranger Cosplay Bishoujo Encyclopedia(ぷるるん三銃士　パイレンジャー　コスプレ美少女大図鑑)

An action-etch comedy in which a trio of Rie, Yoko, and Mayuri, who noticed a change in the school, transforms into a cosplay warrior Piranger and fights against the evil gang.