Onaho Kyoushitsu: Joshi Zenin Ninshin Keikaku - The Animation

A mysterious onahole arrived at the main character, Ayuchi, who had been bullied by the girls in his class at a school where there were few boys. It was an onahole with which you could have real sex if you used it delusionally.

Now, the revenge play of the strange Onaho's footpath begins! Get all the girls in your class pregnant, including a sensitive girl with a sexual zone on her legs, and an S-type female teacher with a weak anal!