E1
Episode 1
Where to watch
Not streaming yet
Coming soon
No streaming availability found for Fastening Days 4 anywhere yet.
Seasons & Episodes
E2
Episode 2
E3
Episode 3
Cast
FO
Fuyuka Ono
Yoji (voice)
RS
Ryoko Shiraishi
Kei (voice)
AK
Akemi Kanda
Kelly (voice)
SY
Sayuri Yahagi
Samhen (voice)
RK
Rie Kugimiya
Jack (voice)
AM
Ami Matsushima
Samhen's mother (voice)
HA
Hikaru Akao
Girl 1 (voice)
HS
Hana Sato
Girl's mother (voice)
YS
Yasunao Sakai
Man 1 (voice)
NN
Naoya Nakanishi
Man 2 (voice)
YA
Yuu Ayase
Child (boy) (voice)
SH
Saya Hirose
Teacher (voice)
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Fastening Days 4 — streaming FAQ
Which OTT platform streams Fastening Days 4?
Fastening Days 4 isn't streaming anywhere in Canada yet.
Is Fastening Days 4 on Netflix?
No, Fastening Days 4 is not on Netflix in Canada as of September 2026.
Is Fastening Days 4 on Amazon Prime Video?
No, Fastening Days 4 isn't on Amazon Prime Video in Canada right now.
Where can I watch Fastening Days 4 for free?
Fastening Days 4 isn't streaming in Canada yet, so there's no way to watch it free at the moment.
How many seasons are in Fastening Days 4?
Fastening Days 4 has 1 season in total (3 episodes). The series concluded in 2019.
Are all episodes of Fastening Days 4 out yet?
Yes — all 3 episodes across 1 season of Fastening Days 4 are out and available to stream.
Is there a Season 2 of Fastening Days 4?
No — Fastening Days 4 ended after 1 season, so there is no Season 2.
