HMN-678 Teacher, can I go home? A graduate student has been staying at my house for three days, turned into a pet for masturbation and cummed inside… Mei Yoi Ichinichi

Mey is a teacher at ● School. At this school with an escalator-style advancement system, all students who graduate from ● School proceed directly to university. One day, Mey hears a disturbing rumor. Her students seem to have joined a sex circle and are raping girls… So Mey decides to call one of her students home to talk. The student denies it, saying it's just a rumor. But this judgment was wrong—
Our former teacher might have found out about our misdeeds; if we let her continue, Mey will destroy the sex circle. Thinking this, they decide to gang-rape and inseminate Mey. Initially resistant, Mey eventually becomes captivated by her students' brutal cocks…