Ikuiku Succubus Saikyouiku

Episode #1
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. They resist, but are controlled by mysterious methods. This is how the re-education of the proud dark-haired Iko begins.

Episode #2
The process of reeducation continues. Next time, the Hand is involved in the training. She finds herself playing with the half-naked and seeking intimacy with Busujima herself.
After completing the Hand training, the professor notices something strange. After learning about Lima's real intentions, he decides to make a coup and teach her good manners.