Saimin☆Gakuen

Starting from a bully to a classmate by Princess of a wealthy family and childhood friend who began to be betrayed, makes Yukimasa-kun feel humiliated. Therefore, Yukimasa-kun wants to take revenge on everyone in his school with the Hypnotic technique. Starting from his childhood friends, to the Princess. He took their virginity one by one and made pregnant.

(Source: Translated and Edited from Nekopoi)