Yoshinaga, a doctor of psychology, is immersed in writing a book, and as he conducts research using his wife, Emiko, as a test subject, he discovers that Emiko has the potential to be a sadist. the next day. After reporting last night's induced pleasure act to Yoshinaga's good partner, associate professor Muraki, he later assigned Muraki's ex-girlfriend, Hitomi, as Yoshinaga's full-time secretary in order to repair their marital relationship. Meanwhile,... see more