Mahou Shoujo Ikusei Keikaku: JOKERS

Sakura Kagami is an average girl with an unremarkable magical-girl alter ego named Prism Cherry. She performs routine acts of heroism in a quiet town, but her mundane abilities and life change when she discovers her classmate Nami is also a magical girl. The two quickly bond, but their understanding of the magical-girl identity soon shatters as they uncover darker truths beneath the surface.