September 9 Is Officially Attack on Titan Day!

September 9 has officially been designated as "Attack on Titan Day" by the Japan Anniversary Association, commemorating the anniversary of the start of the Attack on Titan manga serialization!

To celebrate the occasion, a special commemorative visual has been unveiled, and a special livestream featuring anime voice actors Yuki Kaji, Yui Ishikawa, and Hiro Shimono is set to take place.

Plus, shop Attack on Titan merch, music and more here!

The following is an English translation of the official announcement.

Check Out the Commemorative Visual for "Attack on Titan Day"!

This special visual has been unveiled to commemorate the establishment of "Attack on Titan Day."

The visual features motifs inspired by the date, September 9, as well as the "Nine Titans" that are central to the series. The "Attack on Titan Day" logo, featuring a design inspired by the End Titan, is also displayed in the bottom right corner.

To celebrate the establishment of this commemorative day, a variety of special events are planned for September 9, 2026!

Preview 1: "99 Chapters Free for 99 Hours" Campaign on the Manga Pocket App!
Preview 2: Commemorative Merchandise Coming to Magazine Shop!
Preview 3: Special Livestream Event on September 9!

September 9 Special Livestream Details

A special livestream commemorating the establishment of "Attack on Titan Day" is scheduled for the evening of Wednesday, September 9, 2026 - the very first "Attack on Titan Day"!

The livestream will feature Yuki Kaji (voice of Eren Yeager), Yui Ishikawa (voice of Mikasa Ackerman), and Hiro Shimono (voice of Connie Springer)!

Get ready for plenty of exciting Attack on Titan news and information during the broadcast!

Let's celebrate the establishment of this special day together!

■ Livestream details, including the streaming platform and start time, will be announced at a later date on the official Attack on Titan X account.

▶Official Attack on Titan X Account

Updates on various projects and the latest news related to "Attack on Titan Day" will be announced on the official Attack on Titan social media accounts and portal site. Be sure to check them out!

Official Attack on Titan Portal Site: aot-portal.com
Official Attack on Titan X: @anime_shingeki
Official Attack on Titan LINE Account: Official LINE Account