Billion x School (2024)
A Japanese drama-comedy about a genius billionaire CEO who secretly steps into a classroom — and finds that running a school is nothing like running an empire.
Billion x School - Series Information
- Original Title: ビリオン×スクール
- First Air Year: 2024
- Last Air Year: 2024
- Created by: Shota Gajin
- Type: TV Series
- Genres: Drama, Comedy
- Episode Runtime: Average runtime per episode (45 minutes)
- Number of Seasons: 1
- Number of Episodes: 11
- Status: Ended
- Original Language: Japanese
- Spoken Languages: Japanese
- Networks: Fuji TV
- Alternative Titles: 빌리언 X 스쿨 (KR), 富豪教师 (CN)
- Production Companies: Fuji Television Network
- Production Countries: Japan
Billion x School - Plot
Rei Kagami (Ryosuke Yamada) is a billionaire and the CEO of the leading conglomerate company Kagami Group. He is an extremely smart inventor, who has developed revolutionary products, and is now doing research on high precision AI. When he was little, he was a curious and kind kid. As he grew up, his curiosity remained, but he became self-centered. For certain reasons, he begins to teach at a school, while hiding his identity as a billionaire and the CEO of Kagami Group. His performance as a teacher is quite poor compared to his excellent work as a CEO. He is incapable of understanding the ordinary lives of the teachers and students around him.
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Billion x School - Cast & Crew
Creator(s)
- Shota Gajin
Main Cast
- Ryosuke Yamada
- Haruka Kinami
- Miki Mizuno
- Rintaro Mizusawa
- Coki Yamashita
- Haru Kashiwagi
- Juri Kosaka
- Genta Matsuda
- Azusa Ōhara
- So Okuno
Writers
- Shota Gajin
Billion x School - FAQs
What is the premise of Billion x School?
Billion x School follows Rei Kagami, a brilliant billionaire CEO who secretly takes a job as a schoolteacher while hiding his true identity. Despite his genius in business and AI research, he struggles deeply to relate to the everyday lives of teachers and students around him.
Who plays the lead role in Billion x School?
Ryosuke Yamada leads the cast as Kagami Rei, the eccentric billionaire-turned-teacher. He is joined by Haruka Kinami as Serizawa Ichika, Miki Mizuno as Todo Makiko, and a strong ensemble including Rintaro Mizusawa, Coki Yamashita, and Mirai Shida.
Where can you stream Billion x School?
Streaming availability for Billion x School varies by region. Check JustWatch for the most up-to-date viewing options in your country, including any subscription streaming, rental, or purchase platforms currently carrying the series.
Why does Kagami Rei become a teacher in Billion x School?
The series deliberately keeps Kagami's exact motivation mysterious at first, framing it as "certain reasons" that unfold across the episodes. This narrative hook drives much of the show's intrigue, as viewers gradually piece together why a man of his stature would enter a classroom incognito.
How many episodes does Billion x School have?
Billion x School ran for 11 episodes across its single season, airing in 2024 on Fuji TV. Each episode runs approximately 45 minutes, making it a compact but complete viewing experience that wraps up its story within the one-season format.
Is Billion x School similar to GTO: Great Teacher Onizuka?
There are clear thematic echoes — both feature an unconventional outsider thrust into a teaching role with little preparation. However, Billion x School swaps street-tough bravado for tech-billionaire obliviousness, giving the fish-out-of-water comedy a distinctly modern, corporate-world twist that sets it apart.
How was Billion x School received by audiences?
The series earned warm reception from fans of Japanese drama-comedies, with Ryosuke Yamada's comedic performance as the clueless billionaire drawing particular praise. Its blend of workplace humor, school dynamics, and underlying warmth resonated with viewers who enjoy character-driven J-dramas with a lighthearted tone.
What are some shows similar to Billion x School?
If Billion x School appeals to you, consider GTO: Great Teacher Onizuka (1998) and Gokusen (2002) for classic Japanese school drama energy, or Hero (2001) for another Fuji TV drama featuring an unconventional protagonist navigating an institution he was never meant to fit into.
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