One day, a regular guy receives a direct message from kawaii* asking to buy a sex video of his ex-girlfriend. Skeptical, the man meets with him and checks part of the content, where he finds a video of a girl in her early twenties, who doesn't seem to have a lot of sexual experience, moving her hips on her own to climax, then inserting the penis into her vagina again and climaxing again. The video shows her endlessly repeating the climax, twitching and enjoying sex many times in one session...
