A man obsessed with a beautiful girl he met on a crowded morning train, decides to pursue her relentlessly despite their busy schedules. As his lust grows stronger each day, she becomes increasingly sensitive and unable to resist him. He eventually invites her to his workplace where they engage in anal intercourse against her will. Despite being embarrassed by the humiliation, she can't help but enjoy the intense pleasure derived from the act. She climaxes multiple times, covering herself in his semen while begging for more. Note that due to differences in recording methods, some scenes may vary depending on the distribution method used.