Chizuko Date is an otaku girl who lives in a city in Niigata Prefecture who is obsessed with Berry Blossom, the magical girl who protects the city. However, Chroma the leader of the local evil organization Fossa Magna is inept and weak, so hardly anyone else cares about Berry Blossom and Chroma's frequent battles anymore. Chizuko vows to shine a light on the magical girl's exploits and this fervent desire takes this seemingly shy middle school girl down a dark path filled with strange folks...