Female teacher Ashina Honoka, who experienced repeated orgasms due to nipple stimulation using drugs to induce nipple orgasms, DLDSS-226

Ashina, a female teacher who had a sexual relationship with Shiina, a male student who had secretly filmed her, receives a threatening letter and falls into a deep abyss of lust. Higashikawa, the male student who had been spying on Ashina, insists on having sex only once and promises not to break down. Higashikawa, a breast-obsessed nipple enthusiast, gives Ashina an aphrodisiac that makes her nipples abnormally sensitive and begins to caress them with his fingers, tongue, and toys. Her nipples, played with, develop enough sensitivity to ejaculate immediately and remain erect. Ashina's promise for one day is broken, but she has no choice but to accept it. In the end, she becomes a wanton teacher who cannot control herself and demands extreme nipple stimulation…