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E1Hikari Tsuneki, Chapter 1: Decision
Where to watch
Seasons & Episodes
E1
E2Hikari Tsuneki, Chapter 2: Deep in the Mountains
E3Hikari Tsuneki, Chapter 3: In the Men's Bath
E4Hikari Tsuneki, Final Chapter: Starry Sky
E5Tooru Miyamae, Chapter 1: Trade
E6Tooru Miyamae, Chapter 2: Versus
E7Tooru Miyamae, Chapter 3: Brother Complex
E8Tooru Miyamae, Final Chapter: Fluffy
E9Kyouko Tono, Chapter 1: Home Ec Club
E10Kyouko Tono, Chapter 2: Hand-Me-Down
E11Kyouko Tono, Chapter 3: Awakening
E12Kyouko Tono, Final Chapter: First Love
Cast
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Seiren — streaming FAQ
Which OTT platform streams Seiren?
Seiren is streaming on Crunchyroll in United States. It's not currently on Netflix.
Is Seiren on Netflix?
No, Seiren is not on Netflix in United States as of August 2026. It's currently on Crunchyroll.
Is Seiren on Amazon Prime Video?
No, Seiren isn't on Amazon Prime Video in United States right now. It's on Crunchyroll instead.
Where can I watch Seiren for free?
Seiren is available on Crunchyroll in United States, but you'll need an active subscription — there's no free option right now.
How many seasons are in Seiren?
Seiren has 1 season in total (12 episodes). The series concluded in 2017.
Are all episodes of Seiren out yet?
Yes — all 12 episodes across 1 season of Seiren are out and available to stream.
Is there a Season 2 of Seiren?
No — Seiren ended after 1 season, so there is no Season 2.