Kateikyoushi x Saimin 2 - Episode 2

In this episode, Master Maa-kun manipulates his two subordinates, Haruna and Serina, into sexually degrading activities under the guise of academic tutoring. After Serina displays her "damn sexy body" to Haruna, Maa-kun first forces Haruna into a lewd blowjob to solve a math problem, with her enjoying every moment. He then proceeds to penetratively fuck her ass, despite her initial fear, forcing her to climax in his cock. Once she is fully submissive and in a maid outfit, he makes her expose her pussy so he can "study her cunt." The lesson continues with him pumping his load inside her, leaving her soaking wet and addicted to his semen. When Serina requests to switch roles, Maa-kun forces her into a threesome, first using her pussy for "study" before penetrating her anal while Haruna's cock is inside her. The episode concludes with all three reaching a combined orgasm, as the narrator declares that Haruna, Serina, and Maa-kun have fallen into a new world as sexual slaves to each other.