E1
Episode 1
Where to watch
Not streaming yet
Coming soon
No streaming availability found for 一言为定 anywhere yet.
Seasons & Episodes
E2
Episode 2
E3
Episode 3
E4
Episode 4
E5
Episode 5
E6
Episode 6
E7
Episode 7
E8
Episode 8
E9
Episode 9
E10
Episode 10
E11
Episode 11
E12
Episode 12
E13
Episode 13
E14
Episode 14
E15
Episode 15
E16
Episode 16
E17
Episode 17
E18
Episode 18
E19
Episode 19
E20
Episode 20
E21
Episode 21
Cast · Directed by Jingcheng Pan
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一言为定 — streaming FAQ
Which OTT platform streams 一言为定?
一言为定 isn't streaming anywhere in Japan yet.
Is 一言为定 on Netflix?
No, 一言为定 is not on Netflix in Japan as of August 2026.
Is 一言为定 on Amazon Prime Video?
No, 一言为定 isn't on Amazon Prime Video in Japan right now.
Where can I watch 一言为定 for free?
一言为定 isn't streaming in Japan yet, so there's no way to watch it free at the moment.
How many seasons does 一言为定 have?
一言为定 has 1 season so far.
Are all episodes of 一言为定 out yet?
The 1 released season of 一言为定 is complete, but the show is still in production — a new season is expected.
Is there a Season 2 of 一言为定?
A Season 2 of 一言为定 hasn't been officially confirmed yet.