Overview

When Ashina, a female teacher who was secretly filmed having sex with a male student, Shiina, receives a threatening letter, she falls into the abyss of lust. Higashikawa, a male student who has been secretly filming Ashina for a long time, forces Ashina to promise to have sex only once, with the promise not to reveal anything. Higashikawa, a big breasted nipple enthusiast, makes Ashina drink an aphrodisiac that he bought online that is said to make her nipples abnormally sensitive, and begins caressing her nipples with his fingers, tongue, and toys. The nipples that have been tortured become so sensitive that they become instantly erect, and they become constantly erect. The one-day promise is reneged on, but Ashina is so depressed that he has no choice but to accept it, and is unable to suppress his lewd lust. In the end, she becomes a lewd teacher who can't control herself to the point where she asks for nipple orgasms...