Sayama Yui, a 24-year-old programmer and game streamer, has a sensual body but has never satisfied her sexual desire due to her shy personality. She signs up for an AV shoot, wearing a mask and undergoing training, from embarrassment to climax. The work focuses on amateur, masked, and masochistic female elements, emphasizing anonymous identity and the shame and pleasure of the training process. The high-definition shooting captures her physical reactions and expressions, attracting fans of SM, big breasts, and amateur themes. Includes creampie, 3P, and 4P scenes, presenting convulsive orgasms and Ahegao faces.