After marrying within the company, Fuyuki continues to work with her husband Ayumu. Since Ayumu's birthday is next week, Fuyuki is preparing a pre-birthday celebration with her colleagues. A colleague and Ayumu's friend, Mitsunori, is particularly cooperative and invites Fuyuki to record a video letter. However, once they are alone in the office and Mitsunori starts recording with the video camera, his attitude suddenly changes. He humiliates Fuyuki and thrusts his penis deep into her vagina, ejaculating inside her. From that day until Ayumu's birthday, Mitsunori continues to film internal ejaculation surprise videos...
