"It" is waiting. For the "ripening" of the students—— Yayoi Kurokawa, a junior high school teacher, was exhausted from dealing with various problems occurring at school, such as bullying and Monster Parents. In the midst of this, she picks up a black cat on her way home. However, that was just a monster that borrowed the form of a cat, and its favorite food is a "certain thing"...? The masterpiece of "super" educational school Drama, depicted by the master of Suspense, Shigure Kondo, grandly opens!