Professor Pain

"Professor Pain," also known as "Gakuen Sodom," is an adult original video animation (OVA) produced by Green Bunny and animated by Artland. Released in Japan in 1998, the series consists of two episodes. The story is set at Aoi College, where Professor Yoshihiko Ohse is suspected of being a pervert, but he's actually a terrorist. He takes the entire campus hostage, using homemade bombs to threaten the students and fulfill his twisted desires through torture and abuse. The anime is known for its extreme content, including violence and sexual depictions, portraying the psychological and physical torment of students by the professor and their desperate struggles. The series, also known as "Schule der Perversionen," has been controversial due to its adult content and graphic depictions. Despite this, it maintains a certain influence in the animation world as a unique and controversial work. It depicts a professor using the school as a stage to inflict cruel torture on students, prompting deep reflections on the educational system and human nature. It also explores the darker side of humanity and the erosion of moral boundaries in extreme situations.