[Reducing Mosaic]MIDV-437 I hate the professor in my lab who sexually harasses people, but he's incredibly compatible and has a massive dick... ~The science girl falls into forced sex after being cuckolded in a shared room~ Miyu Oguri

Despite having little sexual experience, college student Miyu often fantasizes about being taken by a man with a big dick. Although she has a serious boyfriend named Makoto who is similar to her in temperament, she is never satisfied with sex with him. One day, at the suggestion of Professor Oshima, she and her boyfriend, along with classmates, end up going on a research retreat. Miyu had always disliked Oshima for his domineering and clingy personality, but at the retreat site, she was surprisingly made to share a room with him and eventually...