Minori Fujidera
Sae Iwata (voice)
Series
Watch A Star Brighter than the Sun (2025) Online
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Synopsis
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.
Episodes
Season 1
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1. The Day I Reached Out My HandNow viewing2025-10-0224m8.5Sae Iwata is a slightly tougher-than-average girl. Her first love, Koki Kamishiro, was once a delicate and fragile boy, but now, in their third year of junior high, he has grown into a cool and popular young man. Although they have drifted apart, her feelings remain unchanged. When they are paired up to help prepare for the sports festival, Sae's long-hidden first love begins to stir once more.
2. Call My Name2025-10-0924m7.0Sae and Kamishiro end up in the same high school and class. Assigned to the same group for trash pickup, Kamishiro gets into a sudden argument with a classmate. As Sae steps in, he instinctively calls her by her first name, bringing back a flood of childhood memories. Meanwhile, another girl, Hisui, seems to be drawn to Kamishiro as well.
3. No Matter How Far2025-10-1624m8.0Knowing Kamishiro has a crush on someone weighs heavily on Sae's heart. Still, during their school trip, Sae finds herself unable to take her eyes off him. Her friends, Hisui and Kagawa, try their best to support her, but Sae always ends up showing her awkward side around Kamishiro.
4. He's Still There Even When I Close My Eyes2025-10-2324m7.5Kamishiro admits to Sae that he has feelings for someone, describing his crush as "a star that shines brighter than the sun." The words pierce her heart, but she chooses to support him nonetheless. All the same, as Kamishiro continues to treat Sae just like always, she finds herself torn between her feelings and her resolve.
5. Jumping and Swinging2025-10-3024m10.0After the school trip, a class-versus-class jump rope tournament is set to take place, and Sae and Kamishiro are chosen to swing the rope. Despite the unexpected pairing, Sae tries not to be too conscious of Kamishiro. As practice begins, things do not go as smoothly as expected. One day after school, Sae spots Kagawa practicing alone behind the school building.
6. Brains, Heart, and Courage2025-11-0624m10.0One day, Sae takes a day off from school. The next day, Kamishiro gets injured during club practice and also takes a day off. As they lend each other their notebooks to catch up on missed classes, they begin exchanging messages. A small incident leads Kamishiro to realize that Sae likes someone. Unaware of Sae's true feelings, he encourages her to go for it.
7. Sun-Shower2025-11-1324m10.0Kamishiro is selected as one of the main cast members for the class play. Struggling with his lines, he turns to Sae for help. As they rehearse, they make a promise to go see a movie together during summer break. On the big day, the class's performance is going smoothly until Sae suddenly bursts onto the stage.
8. Ten Years2025-11-2024mWith school events behind her, Sae throws herself into club activities. Just then, the date for her long-awaited movie outing with Kamishiro is set. However, a chance encounter with Kamishiro's cousin, Subaru, leaves Sae feeling uneasy, as something Kamishiro once said about his crush comes back to her.
9. Someone's Feelings2025-11-2724mAfter their movie date, Sae once again realizes that unless she expresses her feelings, Kamishiro will never notice them. Learning from Hisui that the school festival is a time for love confessions, she decides to tell him during the after-party. While preparing for the event, Sae finds Subaru's painting vandalized, and the situation makes her look like the culprit.
10. Rumors2025-12-0424mAs preparations for the class exhibit progress, Sae tries to talk to Kamishiro, but the timing never seems right. On top of that, Hisui points out that she has been spending most of her time with Ayukawa. Just when Sae decides to be more proactive, Kamishiro makes an unexpected proposal.
11. A Star Without a Constellation2025-12-1124mWorried about Subaru, Sae visits the nurse's office. There, Kamishiro notices Subaru trying to act fine and offers to help during the school festival. Sae feels a twinge of loneliness, as she had planned to confess her feelings to him then. However, Kamishiro makes it clear that he will not be available during his reception desk shift with Sae.
12. A Star Brighter than the Sun2025-12-1824mAfter hearing that Kamishiro plans to confess to the person he likes, Sae impulsively blurts out her feelings to him. Overcome with emotion, she runs away, convinced she has been rejected. She hides in the gym storage room, crying until the door slowly opens and Kamishiro appears.
Cast
Top Billed Cast
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)
Availability
Where To Watch Legally
Amazon Prime Video
Amazon Prime Video with AdsStreaming availability data provided by JustWatch.
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FAQ
Frequently Asked Questions
Is A Star Brighter than the Sun available to watch online?
Yes - see the "Where to watch legally" section on this page for streaming, rental and purchase options.
How many seasons does A Star Brighter than the Sun have?
A Star Brighter than the Sun has 1 season and 12 episodes.
When did A Star Brighter than the Sun first air?
A Star Brighter than the Sun first aired in 2025.
Is A Star Brighter than the Sun still running?
Yes, A Star Brighter than the Sun is an ongoing series.
What genre is A Star Brighter than the Sun?
A Star Brighter than the Sun is classified as Animation, Comedy, Drama.