High school can be a complicated time for young men, especially for Ichirou Tachibana, who knows his beautiful homeroom teacher Yuuko Morino's biggest secret: she's a witch! While peeking on her, Ichirou provokes the wrath of one of his classmates Lily Ramses Futaba, who also happens to be a witch, and is turned into a tentacle monster and "forced" to absorb the mana of the two witches in order to stay alive caresses his face lovingly Oh you poor thing. Lily really did a number on you, huh?