
Ayumu Mutou
main character



The setting for this adaptation is moved from 1970s Japan to 2020, just after the Tokyo Olympics. The story centers on the Mutou family, and the siblings Ayumu and Gou. The four members of the Mutou family are caught in an earthquake that hits Tokyo, and attempt to escape the city, while disaster claws at their heels. (Source: Anime News Network)
Japan Sinks: 2020 has been met with mixed reactions, with an average AniList score of 63/100 — 33% of 24,595 ratings are 8/10 or higher.
It ranks #9 most popular anime of 2020 on AniList.
Of the 37.3K AniList users who started it, 6.8% dropped it, so it is dropped at a typical rate; 32.3K have finished it.
At about 4 h 10 min in total, it is a short commitment — a weekend binge.
Best for viewers who enjoy Drama, Sci-Fi — especially survival, coming of age, tragedy, natural disaster.
Availability, audio and subtitles vary by region and service.
10 episodes are listed.
Theme data from AnimeThemes.moe.
Japan Sinks: 2020 has 10 episodes of about 25 minutes each, roughly 4 h 10 min in total.
About 4 h 10 min back to back. At two episodes a day it takes 5 days; at one hour a day, about 5 days.
Yes. Japan Sinks: 2020 has finished airing — the final episode aired July 9, 2020.
No sequel is listed for Japan Sinks: 2020 as of October 2026.
Yes. Japan Sinks: 2020 adapts the other source by Sakyou Komatsu.
Japan Sinks: 2020 was animated by Science SARU and directed by Pyeon-Gang Ho and Masaaki Yuasa.
The opening, "a life", is performed by an uncredited artist.
Japan Sinks: 2020 is listed on Netflix. Availability varies by region — check the streaming links on this page.