- Drama: Adult High School (literal title)
- Romaji: Otona Koukou
- Japanese: オトナ高校
- Director:
- Writer: Hiroshi Hashimoto
- Network: TV Asahi
- Episodes:
- Release Date: October 14, 2017 —
- Runtime: Saturdays 23:05-23:59
- Language: Japanese
- Country: Japan
Plot
To solve the country’s low birthrate problem, the Japanese government set up Otona Koukou (Adult High School). Adults over 30 and have no sexual experience are forcibly enrolled into Otona Koukou by the government.
Eito Arakawa (Haruma Miura) is a 30-year-old single man. He graduated from a prestigious university and works at a bank. He has received recognition for his work there. He is also physically attractive, but he has never had sex.
One day, he receives an entrance guide to Otona Koukou.
Cast
 |  |  |  |  |
| Haruma Miura | Katsumi Takahashi | Ryo Ryusei | Airi Matsui | Maho Yamada |
| Eito Arakawa | Kansuke Gonda | Pegasasu Yamada | Sakura Himetani | Masumi Madara |
 |  |  |  |
| Jutta Yuki | Tetta Sugimoto | Bokuzo Masana | Meisa Kuroki |
| Karurosu Yu Kawamoto | Kiichiro Kakazu | Mamoru Mochida | Maki Sonobe |
Additional Cast Members:
- Maho Yamada – Masumi Madara