Introduction to Marriage Studies (2025)

Sana Ikegami (Yuri Nakamura), 38, who works as the editor-in-chief of a popular magazine, prioritizes her work and her own time over romance. She has a perfect routine for machine pilates, a particular diet, supplements, and beauty treatments, and relieves her loneliness with a sex friend...she leads a fulfilling life. [Episode 6 of the miniseries "The Borderline Between Friends with Benefits and Lovers"]

• Parental Guidance: PG-13
• Release Date: 2025-09-03
• Runtime: 0h 46min
• Production Country: Japan
• Director: Rikiya Imaizumi