Ann Takase, a chemistry teacher at a private school, has secretly started a selfie video that suddenly topped the rankings on a posting site. The user name is [Onna Teacher / Farewell] A perverted masochist female who has a perverted propensity contrary to her rational face. However, his true identity is sniffed out by a villainous maniac, and before long he is knocked down to the bottom of the abyss from Cinderella on the Internet...
