IQQQ-014 In a climax lesson where she can't make a sound, the married teacher Risaki Aika becomes ten times wetter

Aika, despite being a teacher, secretly maintained a relationship with her student. She enjoyed the covert interactions with her student after school, but the desires of a young, curious, and vigorous individual escalated rapidly. Eventually, he even sought relations within the school premises. In a blind spot within the school where other students were nearby, Aika was penetrated by her student. If caught, her teaching career would be over, so Aika desperately suppressed her voice... The stimulating in-school affair awakened Aika's lewd nature hidden behind her teacher's mask.