Tags: Manga.
Hen Semi (変ゼミ Hen Zemi) also known as Abnormal Physiology Seminar is a Japanese comedy manga series written and illustrated by TAGRO and is a remake of his earlier manga series Hentai Seiri Seminar (変態生理ゼミナール? Abnormal Physiology Seminar). Hen Semi has been serialized in Kodansha’s Morning 2 manga magazine since 2006. It has been adapted into an original video animation in 2010 as well as an anime television series in 2011.