Demon Slayer Joins Forces with MLB: Exciting Tokyo Series Collaboration Unveiled!
Discover how the innovative Baseball Breathing technique can enhance player performance and elevate the game to new heights!

MLB and Demon Slayer Collaboration Teased
Will players be using the Baseball Breathing technique? This intriguing question arises as the Demon Slayer: Kimetsu no Yaiba manga and anime franchise collaborates with Major League Baseball (MLB) for the upcoming Tokyo Series.
Image via x.com
©吾峠呼世晴/集英社©吾峠呼世晴/集英社・アニプレックス・ufotable © 2025 MLB Advanced Media, LP.
Upcoming Announcement
On March 3, a teaser was released, hinting at more details to come on March 6 at 7:00 a.m. (March 5 at 5:00 p.m. EST). The announcement has generated excitement among fans of both MLB and Demon Slayer.
Twitter Teasers:
![]()
Tokyo Series Schedule
The Tokyo Series will occur at the Tokyo Dome from March 15 to March 19, marking the start of the 2025 regular season after four exhibition games. Here’s the match schedule:
- March 15:
- Chicago Cubs vs. Hanshin Tigers
- Los Angeles Dodgers vs. Yomiuri Giants
- March 16:
- Dodgers vs. Tigers
- Cubs vs. Giants
- March 18-19:
- Regular season opener: Dodgers vs. Cubs
Red Sox and One Piece Theme Day
In addition to the Demon Slayer collaboration, the Boston Red Sox will hold their second One Piece Theme Day on May 3. Attendees will receive:
- A Red Sox & One Piece jersey
- A Red Sox x One Piece baseball hat
- Special One Piece entertainment and activation
Sources
- Major League Baseball's Twitter account
- MLB's official website
- Demon Slayer's Twitter account via Otakomu