A Star Brighter than the Sun (2025)

A tender shoujo anime about a girl whose childhood first love quietly reignites when fate places them together once more.

A Star Brighter than the Sun - Series Information

  • Original Title: 太陽よりも眩しい星
  • First Air Year: 2025
  • Last Air Year: 2025
  • Type: TV Series
  • Genres: Animation, Comedy, Drama
  • Episode Runtime: Average runtime per episode (24 minutes)
  • Number of Seasons: 1
  • Number of Episodes: 12
  • Status: Returning Series
  • Original Language: Japanese
  • Spoken Languages: Japanese
  • First Air Date: October 2, 2025 (France - 12), October 2, 2025 (Australia - PG), October 2, 2025 (Spain - 12)
  • Networks: MBS, TBS, CBC, Tulip Television, SBC, BSN, tys, NBC, HBC, RKK, i-Television, SBS, IBC, BSS, MRO, OBS, TUF, RSK, TUY, tbc, RKB, KUTV, RBC, UTY, RCC, MRT, ATV, MBC
  • Alternative Titles: Taiyō Yori mo Mabushii Hoshi (JP), A Star Brighter Than the Sun (US)
  • Production Companies: Studio KAI, TBS, Universal Music Japan, movic, armabianca, PIA Corporation, MAGNET
  • Production Countries: Japan

A Star Brighter than the Sun - Plot

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.

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A Star Brighter than the Sun - Cast & Crew

Main Cast

  • Haruka Shiraishi
  • Minori Fujidera
  • Yuki Ono
  • Hina Youmiya
  • Taito Ban
  • Mutsumi Tamura
  • Ryota Osaka
  • Chiko Mizumori
  • Souhei Horikane
  • Yuji Kameyama

Writers

  • Yasuhiro Nakanishi

Executive Producers

  • Junichiro Shinkawa
  • Akihiro Sotokawa
  • Shinya Watanabe
  • Nobuhiko Kakihara

A Star Brighter than the Sun - FAQs

Is A Star Brighter than the Sun based on a manga?

A Star Brighter than the Sun is adapted from a shoujo manga of the same name. The story follows the sweet, slow-burn romance between Sae Iwata and Koki Kamishiro, capturing the tender awkwardness of first love from elementary school through junior high.

Where can you stream A Star Brighter than the Sun?

A Star Brighter than the Sun is available on Amazon Prime Video as part of a subscription, including the ad-supported tier. For a full breakdown of viewing options in your region, JustWatch is a great resource to check current availability.

Who voices the main characters in this anime?

Minori Fujidera voices lead character Sae Iwata, while Yuki Ono brings Koki Kamishiro to life. Haruka Shiraishi plays Koki's sibling Subaru, with Hina Youmiya, Taito Ban, and Mutsumi Tamura rounding out the core cast of friends.

What is A Star Brighter than the Sun about?

Sae Iwata, a spirited girl, has quietly carried a crush on the gentle Koki Kamishiro since elementary school. When they reunite on the sports festival committee in junior high, her long-dormant feelings resurface — and navigating them proves both thrilling and nerve-wracking.

How many episodes does the series have?

The first season of A Star Brighter than the Sun consists of 12 episodes, each running approximately 24 minutes. The series premiered on October 2, 2025, and is currently airing as a returning series.

What anime is similar to A Star Brighter than the Sun?

Fans of this series tend to enjoy Shikimori's Not Just a Cutie, Horimiya: The Missing Pieces, The Dangers in My Heart, Blue Box, and The Fragrant Flower Blooms with Dignity — all warm, character-driven romances with a similar slice-of-life sensibility.

When did A Star Brighter than the Sun first air?

A Star Brighter than the Sun made its debut on October 2, 2025, broadcasting across a wide network of Japanese channels including MBS, TBS, and CBC, among many others.

Who wrote the screenplay for this anime series?

The series screenplay was written by Yasuhiro Nakanishi, who adapted the source manga into animated form. The production was overseen by executive producers Junichiro Shinkawa, Akihiro Sotokawa, Shinya Watanabe, and Nobuhiko Kakihara.

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