Key information

On October 16, 2026, MSY announced that its gaming brand GRAPHT will sponsor the Hololive Koshien 2026 event. This project is hosted by Koyori Hakui, a member of the VTuber group Hololive.

The event features six team managers: Koyori Hakui, Mio Ookami, Marine Houshou, Noel Shirogane, Polka Omaru, and Riona Hibiki. These participants will compete using the software Powerful Pro Baseball 2026-2027.

To mark the occasion, GRAPHT is releasing three types of commemorative merchandise inspired by the teams and their managers. The items include hats and mascots designed for desk displays.

The products will be available for purchase on the official GRAPHT e-commerce website. Sales are scheduled to run from October 17 until November 16, 2026, while the main tournament takes place over two days from October 17 to October 18.

Read the original source for further details.