Soushuu Senshinkan Gakuen

Soushuu Senshinkan Gakuen: Hachimyoujin is a dark urban fantasy visual novel created by Light and written by Takashi Masada (the creator of Dies irae). It features his signature style: modern-day teenagers gaining chuunibyou-style superpowers, intricate lore, reality-warping philosophical battles, and massive stakes.