A Star Brighter than the Sun
Sae Iwata, a slightly tougher-than-average girl, falls for the gentle smile of Koki Kamishiro, a delicate boy, back in elementary school. By the time they enter junior high school, Koki has grown into a charming and popular teen who now feels out of reach. When they are assigned to the sports festival committee together, Sae’s long-hidden first love begins to stir once more.
Where to watch A Star Brighter than the Sun in United States
Amazon Prime Video
Amazon Prime Video with AdsClick a service to open A Star Brighter than the Sun there. Availability last verified on June 21, 2026.
Where is A Star Brighter than the Sun streaming around the world?
| Country | Streaming on | Rent / Buy |
|---|---|---|
| United States | Amazon Prime Video, Amazon Prime Video with Ads | — |
| India | Amazon Prime Video, Amazon Prime Video with Ads | — |
| United Kingdom | Amazon Prime Video, Amazon Prime Video with Ads | — |
| Canada | Amazon Prime Video, Amazon Prime Video with Ads | — |
| Australia | Amazon Prime Video, Amazon Prime Video with Ads | — |
| Germany | Amazon Prime Video, Amazon Prime Video with Ads | — |
| France | Amazon Prime Video, Amazon Prime Video with Ads | — |
| Spain | Amazon Prime Video, Amazon Prime Video with Ads | — |
| Brazil | Amazon Prime Video, Amazon Prime Video with Ads | — |
| Japan | Amazon Prime Video, Hulu, U-NEXT, Anime Times Amazon Channel | — |
About A Star Brighter than the Sun
A Star Brighter than the Sun is a 2025 Japanese-language animation, comedy and drama series. The cast is led by Minori Fujidera, Yuki Ono, Hina Youmiya. It spans 1 season and 12 episodes and is still running. In United States, it is currently streaming on Amazon Prime Video, Amazon Prime Video with Ads.
A Star Brighter than the Sun was produced by Studio KAI, TBS, and Universal Music Japan and made in Japan. It was first aired on October 2, 2025.
- First aired
- October 2, 2025
- Last aired
- December 18, 2025
- Original language
- Japanese
- Status
- Returning Series
- Seasons
- 1 (12 episodes)
- Network
- MBS, TBS
- Country
- Japan
- Production
- Studio KAI, TBS, Universal Music Japan
A Star Brighter than the Sun cast & crew
The cast features Minori Fujidera as Sae Iwata (voice), Yuki Ono as Koki Kamishiro (voice), Hina Youmiya as Hisui Onodera (voice), Taito Ban as Yota Ayukawa (voice), Mutsumi Tamura as Mio Kagawa (voice), and Ryota Osaka as Yushin Izawa (voice).
Behind the camera, the score was composed by Natsumi Tabuchi, cinematography is by Yasuharu Sawami, and it was produced by Nobuhiko Kakihara and Akihiro Sotokawa.
Is A Star Brighter than the Sun worth watching?
With 1 season and 12 episodes, it's a quick, bingeable run.
If you enjoy animation, comedy, and drama, A Star Brighter than the Sun is worth a place on your watchlist.
How and where to watch A Star Brighter than the Sun
In United States, you can stream A Star Brighter than the Sun on Amazon Prime Video and Amazon Prime Video with Ads. Click any service above to open it directly.
Streaming rights change country by country and month by month, so the options above reflect United States today — switch your country at the top of the where-to-watch section to see availability elsewhere.
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Cast of A Star Brighter than the Sun
Minori Fujidera
Sae Iwata (voice)
Yuki Ono
Koki Kamishiro (voice)
Hina Youmiya
Hisui Onodera (voice)
Taito Ban
Yota Ayukawa (voice)
Mutsumi Tamura
Mio Kagawa (voice)
Ryota Osaka
Yushin Izawa (voice)
Haruka Shiraishi
Subaru Kamishiro (voice)
A Star Brighter than the Sun — FAQs
▸Where can I watch A Star Brighter than the Sun in United States?
A Star Brighter than the Sun is streaming on Amazon Prime Video, Amazon Prime Video with Ads in United States.
▸Is A Star Brighter than the Sun on Amazon Prime Video?
Yes — A Star Brighter than the Sun is currently available on Amazon Prime Video in United States.
▸What language is A Star Brighter than the Sun in?
A Star Brighter than the Sun is originally in Japanese, with audio tracks including English, Japanese. Subtitle and dub options vary by streaming service.
▸How many seasons of A Star Brighter than the Sun are there?
A Star Brighter than the Sun has 1 season with 12 episodes in total, and it is still running.
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