Matei Kyoushi to Juuzoku Shoujo no Haitoku Keiyaku魔帝教師と従属少女の背徳契約; 魔帝教師與從屬少女的背德契約; Kontrak tak bermoral antara guru kaisar iblis dan seorang gadis pengikut

Joseph, the successor of the Great Demon Lord, became a teacher in the Wizarding Academy with the help of the demon princess Lilith who has the power of "love" that helps him to successfully ascend the throne, but the reason is to form a "sexual love bond" with some of his students!?