Kurumi is a familyless, friendless, and somewhat morally gray person. She will simply do almost anything to live a comfortable, carefree life. One day, when some creepy magical teddy bear and some girl offered her an opportunity to obtain that life, she quickly accepted without question. Now, she is committing evil deeds to gain powers and live the carefree life she always dreamed of. Until some beautiful, magical girls show up to stop her. Now, all she can think about is her next fight with them.