MOVIE
Rainbow Fireflies
虹色ほたる 〜永遠の夏休み〜
FantasyAnimation
One year ago, Yūta lost his father in a car crash. Now in the 6th grade, Yūta goes to catch beetles in a dam near a mountain, a place he often went with his father. There, Yūta meets a strange old man, and while walking in heavy rainfall, slips and blacks out. When Yūta awakes, he sees a child, Saeko, who shows him a village from the past. A precious summer vacation for Yūta begins.
Top cast
Akashi TakeiYūta Otabe (voice)- Ayumi KimuraSaeko Okuyama (voice)
Taro IshidaHotaru Jii (voice)
Chikao OhtsukaAotengu (voice)
Ikuko TaniObā-chan (voice)
Yuuki Yagi
Kazuya NakaiKenzō – Adult (voice)
Mamiko NotoSaeko – Adult (voice)
Masahiko TanakaSaeko's Father (voice)
Yutaro HonjoShintarō (voice)- Yuuki YagiYoshizawa (voice)
Where to watch
Netflix
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OSN+
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Amazon Prime Video
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Shahid
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Watch It
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TOD
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Disney+
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Apple TV+
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Not currently available on the supported providers in Egypt.
Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 25 Oct 2026.