Makoto has always been a plain and serious school girl, but after her childhood friend's prank causes her to ingest an aphrodisiac, she instantly transforms into an extremely lustful girl. In an instant, she evolves into someone desperately craving creampie sex. Continuously drugged, she gradually becomes obsessed with the intense pleasure. However, what truly captivates her isn't the drug's effect, but the ecstasy of being filled inside. This prim and proper JK undergoes a shocking transformation into a nymphomaniac begging for creampie, creating an irresistible gap appeal. Her metamorphosis turns out to be more than just a prank—it becomes an invitation to a passionate romance.