Clash of Hexennacht

Clash of Hexennacht (激突のヘクセンナハト) is a light novel series written by Kawakami Minoru (川上 稔) and illustrated by Satoyasu (さとやす). It began serialization in Dengeki Bunko Magazine while its manga adaptation runs in Dengeki Daioh and is set for its first full novel release by Dengeki Bunko in August 2015. It takes place between Kyoukai Senjou no Horizon and the City Series, two other series by the author.

Story Synopsis

The world is terrorized by the powerful Black Witch who has been sealed in the moon. Every ten years, the night of Hexennacht arrives and a chosen witch must battle the Black Witch in hopes of finally defeating her. As the current decade's Hexennacht approaches, a mysterious girl named Kagami Kagami arrives and meets Horinouchi Mitsuru, the daughter of the previous Hexennacht representative.

The OBSTACLE series - Clash of Hexennacht by Kawakami Minoru