Kowloon Youma Gakuen Ki

A young treasure hunter learns of an ancient ruin buried beneath Kamiyoshi Academy in Shinjuku, Tokyo. He enters the school as a fake transfer student. The ruins turn out to be an inverted Ancient Egyptian pyramid filled with traps and creatures from Japanese myth. The school's student council — which is considerably more than it first appears — is equally determined to stop him. The story is structured in anime-style episodes, each with its own contained sub-plot.