- Genres Animation, Comedy
- Runtime 25 minutes
- Total runtime 5 hours 25 minutes
- Status Ended
- Network AT-X
R-15 is about a boy, Taketo Akutagawa, who attends a school for geniuses: Inspiration Academy Private High School. Taketo is a genius novelist and writes erotica. Despite negative perceptions many people have of him, he aims to be at the top of his class and be recognized as the world's greatest writer.