Content breakdown
⚠️
Use caution
# The Unspoiled Diamond - Parental Guide
This unrated drama centers on an affair between a college student and a married teacher, featuring moderate sexual content and mature themes. There's no violence, gore, or frightening material, but the storyline involves infidelity and adult relationships. It's best suited for mature teens and adults.
Synopsis
A college student has an affair with a married, middle-aged teacher.
Cast

Misako Tanaka
Yumiko Koshiya

Yukiji Asaoka
Machiko Mimura
Age suitability
Ages 9–12
Not recommended
Where to watch
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Ratings based on MPAA/TV classification and TMDB metadata. Updated March 2026.
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