Lately, Yuri's mother, Mariko, has been worried about her daughter's strange behavior. One day, when she looks at a video on Yuri's phone, she finds... it's a video of Yuri being filmed in compromising situations. Shocked, Mariko immediately demands that the director, Umeya, take down the video, but instead, he uses the threat of spreading the video to force Mariko into appearing in one herself. For her daughter's sake, Mariko ends up performing in a doujin AV. Her body, long unused to intimacy, is overwhelmed by waves of shame and pleasure, reaching intense climaxes multiple times...
