Global Romance Takes Flight: 'A Star Brighter Than the Sun' Now Streaming Worldwide on Amazon Prime Video

Anime enthusiasts around the globe can now celebrate as Amazon Prime Video officially launches worldwide streaming for the highly anticipated series, A Star Brighter Than the Sun. This heartwarming shōjo anime, which premiered in Japan on October 2, 2025, is an adaptation of the celebrated manga by the illustrious Kazune Kawahara, known for her previous success, My Love Story!! The series promises an authentic and captivating journey into youth romance, brought to life under the expert direction of Aya Kobayashi and produced by Studio Kai. Its international excitement has been building steadily since its initial announcement.

At its heart, A Star Brighter Than the Sun beautifully explores the evolving relationship between childhood friends Sae and Koki. Their contrasting heights—Sae being notably taller than average and Koki more petite—form a charming and unique backdrop to their story. Their reunion in high school ignites a delicate narrative that masterfully intertwines the complexities of friendship, the thrill of first love, and the profound journey of self-discovery. The visual artistry is significantly enhanced by Jinfeng Zeng's expressive character designs, while the emotional depth is underscored by an evocative soundtrack from Natsumi Tabuchi and Miki Sakurai. The series features the uplifting opening theme 'Stellar Days' by Motohiro Hata and the poignant ending theme 'Saishin-wa' by Wanuka, both of which have been lauded for perfectly complementing the anime's tender tone.

The source material itself boasts an impressive pedigree, originally serialized by Shueisha. It earned the prestigious 14th An An Manga Award in 2023 and also secured the eighth spot in the 2023 edition of Kono Manga ga Sugoi! for female readers, cementing its status as a critical darling. The transition to an animated screen was a highlight at major events such as Anime Expo 2025, where its world premiere screening captivated audiences and introduced additional beloved cast members.

With Amazon Prime Video's expansive global streaming capabilities, fans across continents can now effortlessly immerse themselves in this touching romance. This widespread availability on such a prominent platform not only signifies the series' immense quality but also powerfully reaffirms the escalating global demand and profound appreciation for exceptional Japanese shōjo anime. It is a testament to the genre's growing international appeal and a welcome addition to the streaming landscape.