Episode 1 : Middle-aged teacher with a strong sexual appetite, Busujima Tanehisa, is caught by an otherworldly succubus named Lima Grimalkin. While he is immobilized by a spell, Lima begins to masturbate him, and due to his excess sexual desire, he is tasked with re-educating the succubi who have failed the exams. He is introduced to two failed succubi, Iko Bicorn and Ruku Orcus, who initially display a rebellious attitude, but are subdued by mysterious tools. And so begins the orgasmic re-education of the arrogant, dark-haired succubus, Iko! Episode 2 : The re-education of the failed succubi continues. Next up to be educated is Ruku, who is initially subjected to a game of being half-naked and abandoned… after prolonged torture of being teased without relief, Ruku can no longer take it and seeks out Busujima’s member herself… After concluding her education, Ruku notices something strange about Busujima…! Discovering Lima’s true intentions, Busujima decides to rebel. The time has finally come to teach a disciplinary lesson to Lima, who has been doing whatever she wants without any restraint!