Introduction
Colorful Casting Inc., headquartered in Shibuya, Tokyo, has recently announced that their entertainment application,
Karakasu, has officially exceeded 100,000 registered users as of August 2025. This app serves as a platform to connect diverse identities from all over the world, enabling users to showcase their talents and engage with fans and businesses alike.
What is Karakasu?
Karakasu is a next-generation entertainment app that allows anyone to easily register for free and create a “profile.” It connects job seekers and providers, as well as performers and fans, harnessing a unique network of influencers, models, actors, voice actors, artists, musicians, dancers, and more. This platform serves as an invaluable resource for businesses looking to expand their recognition and marketing efforts while providing individuals with opportunities to promote and capitalize on their skills.
The app is accessible on all devices, including iOS, Android, and web versions, making it available to a broad range of users. This versatility has contributed to its rapid growth, leading to the achievement of 100,000 users within a short time frame.
Core Services
Karakasu offers multiple services aimed at maximizing individual influence and expanding business branding and marketing:
Promotion Services
With a subscription starting from just 10,000 yen per month,
Karakasu offers an affordable influencer marketing service. Users can request PR posts from multiple influencers to enhance word-of-mouth marketing efficiently.
Casting Services
The platform provides versatile casting services, enabling businesses to engage with various models, ambassadors, and social media advertising models for different promotional needs. It is designed to facilitate job requests across diverse contexts, from roundtable discussions to promotional events.
Event Services
In an age where traditional advertising is often ignored,
Karakasu excels at UGC marketing by organizing popular voting events, giveaways, auditions, surveys, and more. These events create buzz and excitement around brands and their initiatives.
Comprehensive Business Support
In line with the philosophy of “More freedom, more efficiency,”
Karakasu has introduced a certified partner program designed to respond to varied industry needs. This includes services like social media management, video production, inbound marketing, affiliate programs, live commerce, film and TV commercial creation, media exposure, merchandise production, and hiring support for new graduates and interns.
The platform is equipped to support businesses comprehensively, from strategic planning to execution, ensuring firms can accelerate their marketing activities and branding efforts effectively.
Upcoming Feature: Insights
To provide companies with more effective casting and promotional strategies,
Karakasu plans to launch an “Insights Feature” shortly. This functionality will facilitate user analysis, allowing businesses to visualize follower demographics and post impacts, which will aid in selecting optimal talent and planning campaigns effectively. This advancement represents
Karakasu’s commitment to enhancing marketing accuracy.
Future Developments
Karakasu aims to become one of the largest entertainment apps in Japan while simultaneously expanding overseas, starting with South Korea this year. The team is also working on enhancing the platform with features like tipping, a shop function, fan club capabilities, and recruitment services, all to foster a society where individuality can thrive.
Users can look forward to more innovative services and greater user acquisition in the future.
Download Karakasu
Company Overview
- - Company Name: Colorful Casting Inc.
- - Location: 2-21-1 Shibuya, Shibuya-ku, Tokyo, 33F Shibuya Hikarie
- - Founder: Toyoki Matsumoto
- - Established: September 2019
- - Capital: 161.56 million JPY
- - Official Website: Colorful Casting