FTKD-034 - Live-action adaptation: My Proud Girlfriend. Starring Kazumi Arimura/Satsuki Toyooka. Original work by Nylon 100%.

Based on the original work Nylon. A popular doujin comic with over 50,000 copies sold, now adapted into a live-action! The protagonist Yusuke and his girlfriend Natsumi were enjoying a fun student life filled with studies, sports, and play. However, one day, the two have a misunderstanding over a trivial matter. Makoto, a classmate, worries about Natsumi who looks depressed. Invited for a change of pace, they head to a summer beach… But there, four men with time and sexual desire are waiting. Daily, all night long, they take turns engaging in multiple-partner NTR intercourse with muscular, lecherous men. Natsumi, who is devoted and has only ever been with her boyfriend, completely succumbs to a large penis!