LOS ANGELES – SEPTEMBER 14, 2026 – Netmarble, a leading developer and publisher of high-quality games, announced that pre-registration has opened ahead of the upcoming collaboration update between its collectible RPG Seven Knights Re:BIRTH and the highly popular anime series Demon Slayer: Kimetsu no Yaiba.
Demon Slayer: Kimetsu no Yaiba is based on the manga series of the same name by Koyoharu Gotoge, which has surpassed 220 million copies in circulation across its 23 volumes. The anime has captivated fans around the world with its poignant tale of humans and demons, intense sword-fighting action, memorable characters, and well-balanced moments of humor.
Pre-registration is now available through the special collaboration page. All participants will receive an exclusive reward of 10 Demon Slayer: Kimetsu no Yaiba Summon Vouchers that can be used to summon collab heroes. Additionally, players will be able to acquire Tanjiro Kamado simply by logging into the game during the collaboration period, while other collab heroes and the Legendary Pet Nezuko Kamado can be obtained through gameplay.
The Demon Slayer: Kimetsu no Yaiba collaboration event will run for four weeks from October 1 to October 29. Ahead of the update, additional details on collaboration characters, events, and rewards will be revealed sequentially through the official Seven Knights Re:BIRTH community.
Seven Knights Re:BIRTH also recently introduced a major update on September 3 to improve overall player convenience. The update significantly reduced stage counts for Adventures, Power Up Dungeons, and Raids, while adding a dedicated Ruby Farming stage to support more efficient progression. Looking ahead, Seven Knights Re:BIRTH will celebrate its 500-day milestone on September 17 with special events and the addition of Awakened Eileen.
Seven Knights Re:BIRTH inherits the key elements of the original Seven Knights, Netmarble’s flagship IP that has surpassed 100 million cumulative downloads, including its story, characters, combat systems, and core mechanics while enhancing the gameplay experience with modern gameplay features and the latest trends.
More details on Seven Knights Re:BIRTH are available on the official website and forum. Fans can also stay up-to-date with the latest information on the game by following official social channels on Facebook and YouTube.
©Koyoharu Gotoge / SHUEISHA, Aniplex, ufotable ⓒ Netmarble Corp. & Netmarble Nexus Inc. All Rights Reserved.
About Netmarble Corporation
Founded in Korea in 2000, Netmarble Corporation is a leading global game developer and publisher. Through acclaimed franchises and strategic partnerships with top-tier IP holders, the company delivers innovative and engaging gaming experiences to audiences worldwide. As a parent company of Kabam, SpinX Games, Jam City, and a major shareholder of HYBE and NCSOFT, Netmarble’s diverse portfolio includes Solo Leveling:ARISE, Seven Knights Re:BIRTH, RAVEN2, MARVEL Future Fight, and The Seven Deadly Sins: Grand Cross. More information can be found at http://company.netmarble.com.

