Chizuko, who lives in Sakai City, Niigata Prefecture, is an otaku girl who is a big fan of the magical girl Berry Blossom who protects the city against the evil organisation Fossa Magna. However, nobody was worried about the battle of the two anymore because, Chroma, the wicked evil villain, was too sloppy.

So Chizuko decided “I want to make my magical girl shine more…!” That desire (?) Leads a shy junior high school student to a strange evil path…