Magical Explorer, Vol. 8 (light novel)

When Ivy, president of the Tsukuyomi Academy Newspaper, gets it in her head that Takioto and the Three Committees are hiding something, she begins secretly investigating them to uncover the truth. But in doing so, she inadvertently kicks off a chain of events leading to the revival of the Malevolent Lord! To prevent the worst from happening, Takioto has to regain Ivy's trust and clear a dungeon connected to her tragic past.