As the bell rings, Professor Girafales finds himself alone with Chaves, the class clown, who's eager to learn. Chaves' playful teasing leads to an accidental touch, igniting a spark in the professor. With a swift glance at the closed door, Girafales gives in, guiding Chaves' small hand to his throbbing bulge. Chaves, wide-eyed, begins to explore, his innocent touch driving the professor wild, leading to a secret, kinky first lesson neither will forget.