Busujima Tanehisa, a middle-aged professor with a strong sexual attraction, is captured by the succubus Lima Grimalkin. She casts a paralyzing spell on him and begins to seduce him. Lima assigns Busujima to reform succubi who have failed exams.: Iko Bicorn and the Hand of Orcus.

A story about two sisters and their complicated relationships, not only with each other, but also with their partners. In this difficult situation, the maids come to the rescue, ready to support them in everything. It is especially important to help when you need to make the right decision or win a "sexual duel." In this world, women should be strong, and maids are ready to help them become so.

The animated film was created by pinkpineapple Studio. His idea was inspired by the works of the famous manga artist Bosshi.