holo Indie Action Game Koro-san’s Home “WAN!” Derby Receives a Free Update Adding Houshou Kumarine Mode! 20% Off Sale Now Underway!

CCMC Corporation is pleased to announce the release of a free update for Koro-san’s Home “WAN!” Derby (To You Games), an action game currently available through holo Indie, the hololive production derivative works game brand.

The update adds a new mode starring Houshou Kumarine, the mascot character of hololive VTuber Houshou Marine.

■Houshou Kumarine Hits a Home Run!?

Originally released on Steam on July 11, 2025, Koro-san’s Home “WAN!” Derby has received a major free update.

The update introduces “Kumarine’s Home ‘WAN!’ Derby Mode,” in which players control Houshou Kumarine, the mascot character of hololive 3rd Generation member Houshou Marine, and aim to hit the target number of home runs. Swing away at the wide variety of “magic pitches” thrown by hololive members and mascots!

Alongside new “magic pitches” designed to keep batters guessing, new pitchers have also joined the lineup!
Upgrade Kumarine’s Power, Contact, and Speed as you aim to clear the new mode.

■Arranged BGM Tracks and the Long-Awaited RTA Ranking Feature Also Added!

In addition to the new mode, the update introduces several new features that bring even more excitement to the game.

New Arranged BGM Tracks
Cheer-song-style arrangements of Houshou Marine’s original song “Bishoujo Muzai♡Pirates” and Inugami Korone’s original song “Doggy god’s street” have been added as in-game BGM.

RTA Ranking Feature
A ranking feature has been added, allowing players around the world to compete for the fastest RTA (Real-Time Attack) records. Take on the challenge and aim for the fastest clear time!

■20% Off Sale Celebrating the Free Houshou Kumarine Mode Update Now Underway!

Sale Period: August 8, 2026, at 2:00 a.m.–August 17, 2026, at 2:00 a.m. JST
Discount: 20% off
Regular Price: USD 3.90
Sale Price: USD 3.12

■About Koro-san’s Home “WAN!” Derby

A game in which Inugami Korone of hololive GAMERS keeps hitting home runs!
Baseball-loving Koro-san invited the other members of hololive GAMERS to play baseball—but they all seem to want to be the pitcher.
With the listeners taking care of fielding, Koro-san can keep batting to her heart’s content!

■Game Information

Title: Koro-san’s Home “WAN!” Derby
Genre: 2D Action Game
Regular Price: USD 3.90
Platform: Steam (Windows PC)
Store Page: https://store.steampowered.com/app/3732150/
Languages: Japanese / English / Simplified Chinese / Traditional Chinese
Developer: To You Games (an indie game project by Wit One Inc.)
Copyright: COVER CCMC Corp. 2025 Wit One Inc.