In Episode 3, the home tutor Kouta continues his relentless campaign to break the rebellious twin sisters Kasumi and Mitsuki. After previous failed attempts by the girls to drive him away with their schemes, the power dynamic shifts further in his favor. The cheeky older sister and the energetic younger sister find themselves subjected to increasingly intense lessons as Kouta uses every means available to corrupt them, turning their pride and resistance into humiliating, overwhelming pleasure while maintaining his perfect tutoring record