割礼教師
-Description
A lesson on how to become a respectable adult... The teacher taught them the basic rules of being a sly adult. Bullying, intimidation, violence - justice is steadily disappearing in a classroom where evil lurks. Adolescent boys and girls begin to learn the steps to becoming adults. It is a shameful and terrifying lesson... A collection of Haino Ritsuko's horror masterpiece oneshots, including the sequel to ["Hyena Girl's Blood and Guts"!!](https://www.mangaupdates.com/series/rqykfh4/haiena-shoujo-no-chi-to-gattsu)