Kyoko Takase, a chemistry teacher at a private school, secretly started taking selfies and her videos suddenly topped the rankings on a posting site. Her username is "Female Teacher Farewell." Her rational outward appearance is a completely perverted masochistic woman with a perverse sexual proclivities. However, her true identity is discovered by a wicked maniac, and she is soon knocked from the Cinderella of the internet into the depths of despair...