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  3. September 9 Officially Declared "Attack on Titan Day" in Japan as Major Franchise Celebrations Announced
Anime Update

September 9 Officially Declared "Attack on Titan Day" in Japan as Major Franchise Celebrations Announced

Japan Anniversary Association has officially registered September 9 as "Attack on Titan Day," honoring Hajime Isayama's iconic manga with new artwork, cast broadcasts, and digital campaigns.

September 9 Officially Declared "Attack on Titan Day" in Japan as Major Franchise Celebrations Announced
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Published

September 2, 2026

1 min read

by

Natanami Editorial Team

Natanami Editorial Team

Newsroom & Research Desk

Source

animeanime.jp ↗by Anime! Anime! Japan

Related Franchise

Shingeki no Kyojin

Tags

INDUSTRY_NEWSMANGA_RELEASESHONEN
Impact Score7 / 10

Table of Contents

  • Special Events & Live Broadcast
Table of Contents
  • Special Events & Live Broadcast

September 9 has been officially designated as "Attack on Titan Day" by the Japan Anniversary Association, enshrining the date Hajime Isayama’s seminal dark fantasy manga first debuted in Bessatsu Shonen Magazine back in 2009. To mark this institutional recognition, Kodansha released a striking commemorative key visual themed around the Nine Titans, complete with a specialized emblem fashioned after the Final Titan.

Attack on Titan Day Commemorative Key Visual
The official visual celebrating the formal registration of "Attack on Titan Day."

Special Events & Live Broadcast

The anniversary recognition kicks off a slate of major celebrations leading up to September 9, 2026. Manga readers can access a massive digital campaign on Kodansha’s Magapoke app, where the first 99 chapters of Attack on Titan will be available entirely free for a 99-hour window starting at midnight on September 9.

Magapoke 99-hour Free Chapter Campaign Visual
Kodansha's Magapoke digital manga campaign banner.

Additionally, Hajime Isayama himself has drawn fresh artwork featuring Eren Yeager, Levi Ackerman, and Erwin Smith for exclusive physical collectibles at the official Magazine Shop. On the evening of September 9, a special live stream event will feature key anime voice actors to share future franchise developments:

  • Yuki Kaji (Eren Yeager)
  • Yui Ishikawa (Mikasa Ackermann)
  • Hiro Shimono (Connie Springer)
New Hajime Isayama Artwork Announcement
Official Cast Live Stream Visual

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