March 19, 2026, Tokyo, JAPAN – COVER Corporation (Minato-ku, Tokyo; CEO: Tanigo Motoaki) is pleased to announce a collaboration between Mahjong Pros, a leading company specializing in mahjong books and sets, and hololive English -Advent-, introducing the hololive English -Advent- Mahjong Collection.

Created in collaboration with Mahjong Pros, the hololive English -Advent- Mahjong Collection is fully themed around hololive English -Advent- and features custom artwork by FUWAMOCO’s original artist, Icomochi. In addition, hololive English -Advent- designs are integrated throughout the entire mahjong set and collection.

Designed for both collectors and players, this release features a globally compatible mahjong set built to support a wide range of mahjong styles, bringing more players together at the table. Custom artwork and themed components celebrate the world of hololive English -Advent-.

Pre-orders for the collaboration, including exclusive editions, are now available at the link below:
https://mahjongpros.com/collections/hololive-mahjong-collection

Merchandise Details

Fans can find the exclusive merchandise featuring talents in Qipao-inspired outfits with mahjong themes on the Mahjong Pros website. The first round of pre-orders opens on March 18, 2026, at 12:00 PM (UTC-6). As a bonus, fans who purchase any product or bundle with a Mahjong Tile Set will receive a limited-edition hololive English -Advent- themed Mahjong Compass.

■ “hololive English Mahjong” Merchandise Lineup

■ Merchandise Price List
Mahjong Set: 399.99 USD
Acrylic Stand: 15.00 USD
Acrylic Keychain: 8.00 USD
Mahjong Compass: 40.00 USD
Mahjong Mat: 80.00 USD

About Mahjong Pros

Mahjong Pros is an independent publisher and design studio dedicated to bringing mahjong to a global audience. Through books, games, and licensed collaborations with artists and entertainment brands, Mahjong Pros develops products that celebrate the strategy, history, and culture of mahjong while making the game more accessible to new players around the world.

Official Instagram Account: https://www.instagram.com/mahjongpros
Official X Account: https://x.com/mahjongpros