Retsujou Kyoumushitsu Manga
1-4) To Takei, whoâ€™s a Math teacher in high school, the school is the perfect feasting ground for students. But never did he expect that one of his former students would become a teacher as well as his colleague! For the number one lusty teacher â€“ Takei, his days of humiliation are starting soon! 5) Our Oath The mixed up sex lives between a businessman, his secretary, and their two sons.