Toumei Ningen - Iregui Chuuzou | 透明人間 挿れ喰い仲三

Protagonist Hirumada Chuuzou who was a chemical teacher at the private narumisawa school. Though the medicine that became the Invisible Man had been researched secretly beforehand, using the furnishings of the school for private research was find out, furthermore, because sexual harassment from the past was also a problem, it becomes fired.

Hirumada who came to pick up the luggage, drank the finished drug just there and turned into a transparent person. As a transparent man revenge is taken to girls who have made fun of. Moreover to fill an own desire, the girls are raped.