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A Star Brighter Than the Sun

Name: A Star Brighter Than the Sun
Genre: Romance
Released: 2025-10-02
Cast: Yūki Ono, Mutsumi Tamura, Haruka Shiraishi, Taito Ban, Hina Yomiya

太陽よりも眩しい星

Taiyou yori mo Mabushii Hoshi

Binge-ready

Finished airing — 12 episodes, ready to binge.

Format: TV
Season: Fall 2025
Studio: Studio KAI
Based on: Manga
Episode length: 24 min
Started: 2 Oct 2025
Ended: 18 Dec 2025
Score: 71/100

Romance Shoujo Heterosexual Female Protagonist Primarily Teen Cast School

A Star Brighter Than the Sun is a TV anime series from 2025, produced by Studio KAI, based on the manga A Star Brighter Than the Sun by Kazune Kawahara. The team includes direction by Sayaka Kobayashi, series composition by Yasuhiro Nakanishi, character design by Jin Feng Zeng and music by Natsumi Tabuchi and Miki Sakurai. The Japanese voice cast includes Yūki Ono as Kōki Kamishiro, Mutsumi Tamura as Mio Kagawa and Haruka Shiraishi as Subaru Kamishiro. It streams on Amazon Prime Video. It ran for 12 episodes from October 2025 to December 2025.

Sae Iwata, a slightly tougher-than-average girl, falls for the gentle smile of Kouki Kamishiro, a delicate boy, back in elementary school. By the time they enter junior high school, Kuoki 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. (Source: Amazon Prime Video, edited)