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Deco! Hololive Seal Battle Launches on Steam From holo Indie

This release is the first concrete product to emerge from holo Indie, the fan-made game brand that CCMC established to create a return ecosystem for creators, and its roster of 12 talents spans multiple generations of hololive production, from Sakura Miko to the Abyssgard sisters and Ichijou Ririka.

Key Facts

  • Deco! Hololive Seal Battle went on sale on Steam on September 3, 2026, priced at 1,280 yen (tax included).
  • Players decorate talents with over 150 types of stickers, form teams of up to three members, and aim for 15 wins.
  • The game is developed by PREAPP PARTNERS Co., Ltd. and published under the holo Indie brand by CCMC Co., Ltd.
  • Deco! Hololive Seal Battle supports Japanese, English, and Simplified and Traditional Chinese languages.

Reporting from 3 sources: ASCII.jp, Inside, PANORA.

Deco! Hololive Seal Battle Launches on Steam From holo Indie

CCMC Co., Ltd. announced that the sticker album management strategy game Deco! Hololive Seal Battle, developed by PREAPP PARTNERS Co., Ltd., went on sale today, September 3, 2026, on Steam under the hololive production fan-made game brand holo Indie. The game is an auto-battle title where players decorate hololive production talents with over 150 types of stickers, form a team of up to three members, and aim for 15 wins. It features 12 talents: Sakura Miko, Shirakami Fubuki, Ookami Mio, Nekomata Okayu, Inugami Korone, Usada Pekora, Shiranui Flare, Shirogane Noel, Houshou Marine, Fuwawa Abyssgard, Mococo Abyssgard, and Ichijou Ririka. Players choose one main talent at the start, then add others as battles progress. Stickers can be placed anywhere on a talent, but decorating designated spots greatly increases their effect. Coins earned from battles are used to purchase new stickers at the shop. The game also includes a ranked match mode where players battle opponents of similar rank and earn rank points. The price is 1,280 yen (tax included), and the game supports Japanese, English, and Simplified and Traditional Chinese.

  • Sticker placement is the core mechanic: each talent has designated spots that multiply a sticker's effect, so layout matters as much as looks.
  • Coins earned per battle fund sticker purchases and team expansion, both handled at the in-game shop.
  • Ranked match mode pairs players of similar rank and awards rank points for wins.
  • The developer, PREAPP PARTNERS, describes the game as one that balances "cuteness" and "the fun of thinking," inviting players to "have fun playing casually."
  • holo Indie is the umbrella brand for fan-made games built under COVER's game creator support program, aimed at giving creators a revenue return and delivering derivative works to more fans.
  • CCMC, the publisher, is a wholly owned COVER subsidiary handling game production support and publishing; it was established October 10, 2023, and is based in Minato-ku, Tokyo.
  • The game is single-player with online battles supported, and its Steam store page is live at store.steampowered.com/app/4563070.
  • Copyright is shared by COVER, CCMC Corp., and PREAPP PARTNERS.

Synthesized by Yomimono from the 3 cited sources below, including Japanese-language reporting where cited, then editorially reviewed before publishing.

Sources