Immoral Study 2, is a sequel to the Immoral Study hentai visual novel written by Seiji Imanishi from the dojinshi studio Scoop Software Productions, initially released on October 18, 1996. Unlike the first game, where the story was linear, you couldn't make any decisions and there was only one ending, the second game featured an availability to make a wrong move. You play as Professor Hitosuji, who was hired by a businessman to tutor his daughter, who's been slipping in her grades lately, she also has gotten an attitude problem since then. She's supposed to marry a person with a good education, someone who could organize her father's factory. She's in love with a student called Takashi and the professor uses her feelings towards him to have sexual intercourse with her.