Gekitotsu no Hexennacht  

OBSTACLEシリーズ 激突のヘクセンナハト, Obstacle Series, Clash of Hexennacht

The Black Witch governs our planet, but only gets judged once in ten years during Hexennacht on the moon. Those capable of battling the witch are magical warriors chosen for their victories. Mitsuru from Eastern Japan seeks to become the strongest and stumbles upon Kagami Kagami, a girl with unique abilities who introduces herself. The two engage in combat to protect our world using their individual powers.