- Movie: Teacher Monarch (literal title)
- Romaji: Sensei Kunshu
- Japanese: センセイ君主
- Director: Sho Tsukikawa
- Writer: Momoko Koda (manga), Erika Yoshida
- Release Date: August 1, 2018
- Distributor: Toho
- Language: Japanese
- Country: Japan
Ayuha Samaru (Minami Hamabe) is a high school student. She is honest and works hard at everything, no matter what. One day, she has trouble at a gyudon restaurant due to money. A man at the restaurant, Yoshitaka Hiromitsu (Ryoma Takeuchi), helps her out. The next day, she finds that Yoshitaka Hiromitsu has come to her school as a substitute teacher for her ill homeroom teacher. Ayuha Samaru now believes that Yoshitaka Hiromitsu is her fate in love. She keeps expressing her feelings to him.
- Based on manga series “Sensei Kunshu” by Momoko Koda (published from July 13, 2013 to June 13, 2017 in shojo manga magazine Bessatsu Margaret).
- Filming begins January 15, 2018.
- Ryoma Takeuchi – Yoshitaka Hiromitsu
- Minami Hamabe – Ayuha Samaru
- Taiki Sato – Kotake Sawada
- Rina Kawaei – Aoi Nakamura
- Yua Shinkawa – Aika Saimon
- Riko Fukumoto – Kaho