An adultery sex film of Aika Yamagishi, she and Shinichi start living together and prepare to get married. The apartment building manager came to visit and he seemed like a good person so we both felt secure. One day, Aika was fiddling with the washing machine’s water pipes when she was visited by the manager. He helped her fix the pipe and gave her some cake as a gift to celebrate her move. Unsuspecting, Aika ate some. As soon as she ate, she immediately felt dizzy and didn’t know anything else. When she woke up, she discovered that the manager was clinging to her, his sweat drenching her entire body. Her body seemed to have no strength left, she was helpless to let him invade her body and release all his dirty semen inside her. He took a photo of this scene and used it to threaten her, forcing her to serve him many more times. But gradually, the sexual pleasure he brought surpassed his disgust. She was gradually conquered by him and she herself wanted to be sexually satisfied by him even more…