#Baki Grappler #Sega MJ #Baki CUP

Sega NET Mahjong MJ x Baki the Grappler Collaboration

Sega's popular online mahjong game series, Sega NET Mahjong MJ, has announced an exciting collaboration with the beloved TV anime Baki the Grappler, kicking off a nationwide tournament known as the Baki CUP on November 17, 2025. This thrilling event invites players to enjoy a variety of collaboration items, including exclusive character designs and themed backgrounds inspired by the Baki universe.

Overview of the Baki CUP

The Baki CUP will feature competitions held on both the app and arcade editions of the MJ series. Participants can compete in two formats: the East Wind Battle and a three-player match, racing to achieve the highest total score. Players who perform well in the preliminary rounds will proceed to the finals, where the top scorer will be crowned champion.

In the app version of MJ, participants will have the chance to score various collaboration items such as an evolved SP character (SSR) based on Baki, unique agari animations, and themed table backgrounds by achieving specific goals throughout the event.

App Version MJ

• - Preliminary Round A

Dates: November 17 (Mon) - November 23 (Sun)
Registration Time: 24 hours
(From 7:00 on November 17 to 29:59 on November 23)

• - Preliminary Round B

Dates: November 24 (Mon) - November 30 (Sun)
Registration Time: 24 hours
(From 7:00 on November 24 to 29:59 on November 30)

• - Finals

Dates: December 1 (Mon) - December 7 (Sun)
Registration Time: 24 hours
(From 7:00 on December 1 to 29:59 on December 7)

Special Rewards

Players can earn exclusive collaboration items by accruing event points:

• - Evolved SP Character (SSR): 1 type

- Retsu Kaioh

• - SP Characters: 1 type

- Tokugawa Mitsunari

• - Table Backgrounds: 6 types

- Backgrounds featuring iconic characters, such as Hanma, Retsu, and Tokugawa.

• - EX Backgrounds: 2 types
• - Agari Buttons: 2 types

- Mini buttons for Hanma Baki and Hanma Yujiro.

• - Agari Effects: 1 type

Gacha Event

During the collaboration, a limited-time gacha will feature characters such as Hanma Baki 1 and Hanma Yujiro 1, alongside various themed agari animations, backgrounds, and more, totaling 51 unique items available from November 17 to December 7, 2025.

Arcade Version MJAC

• - Preliminary Round A

Dates: November 17 (Mon) - November 23 (Sun)
Registration Time: 10:00 - 24:00

• - Preliminary Round B

Dates: November 24 (Mon) - November 30 (Sun)
Registration Time: 10:00 - 24:00

• - Finals

Dates: December 1 (Mon) - December 7 (Sun)
Registration Time: 10:00 - 24:00

Rewards in Arcade Version

Participants can gather points based on their ranking and collect various items, including voice-activated SP characters, table backgrounds, and more.

Social Media Campaign

To celebrate this exciting collaboration, Sega is hosting a Follow & Repost Campaign on social media. Participants can win exclusive Baki merchandise with a total of 8 prizes available. For more details, visit the official MJ Twitter account.

About Baki the Grappler

Based on the manga series that has sold over 100 million copies, Baki the Grappler portrays the fierce battles between Baki Hanma, the youngest champion in underground fighting, and his father, Yujiro Hanma, known as the