The teacher was soaked in "sensitivity-enhancing liquid" on campus ww. She was restrained with crab legs and a fixed massage stick, causing her vagina to be numbed to the point of extreme orgasm. Ayatsuki Nanao START-298

Nanao, the new teacher of a problem class, is dominated by bullied students. Driven by a strong sense of justice, she tries to protect the bullied students, but it turns out to be a carefully planned trap. In the gym storage room, Nanao is submerged in a liquid, restrained with crab legs, and tortured with a vibrator. Although she tries to remain rational, the effects of the liquid become apparent, and she cannot resist the pleasure…