[Case Study] Kukan Inc. Renews WorldWideBase Website: Seamless Real Estate & Vacation Rental Management Solutions
Maximizing ROI for Hokkaido property owners through Airhost-integrated direct booking systems.

Kukan Inc. (Furano, Hokkaido; CEO: Kentaro Yamamoto) is proud to announce the full renewal of the corporate website for WorldWideBase Group, a leader in Hokkaido’s real estate brokerage and vacation rental management.
【Client Website】
WorldWideBase Group Corporate Website:
https://worldwidebase.co.jp/

This project visualizes a seamless support system from property acquisition to vacation rental management, integrating a “Direct Booking” feature powered by Airhost API. Leveraging our expertise in digital marketing and system development, Kukan Inc. empowers client business growth within the real estate investment and short-term rental markets across Hokkaido, including Sapporo.
Project Background: Tourism Trends in Hokkaido
With the rapid recovery of inbound demand, Hokkaido’s tourism market—particularly for vacation rentals and short-term accommodations—is seeing unprecedented investment interest. Conversely, many operators remain overly dependent on OTAs (Online Travel Agencies), where high commission fees continue to strain owner profitability, presenting a significant structural challenge in the industry.
WorldWideBase Group possesses a rare business foundation capable of providing one-stop support, from real estate acquisition and brokerage to vacation rental management. Previously, their “seamless peace of mind” and “unrivaled operational expertise” were not fully realized online. This project was launched to redefine the group’s brand value, evolving it into a next-generation digital platform designed to drive tangible results: bookings and lead generation.
Solutions Provided by Kukan and Their Impact
Kukan Inc. managed this project as a one-stop partner, covering everything from strategic planning and design to system architecture. Our solution was delivered through three core pillars:
1. UI/UX Design Embodying an End-to-End Business Model


We adopted a modern, high-trust visual design tailored to resonate with both prospective property buyers (investors) and those seeking vacation rental management. By seamlessly integrating the brokerage and acquisition expertise of WorldWideBase Co., Ltd. with the extensive management capabilities of W vacation Co., Ltd., we have created a sophisticated user journey that guides visitors intuitively.
2. Implementation of a Direct Booking System via Airhost API Integration
To break free from total reliance on external booking sites, we integrated Airhost’s PMS to build a system where reservations are completed directly on the official website. This significantly reduces OTA commission fees. Furthermore, by enabling the direct collection of guest data, we have established a robust marketing foundation focused on driving repeat business.
3. Multilingual Support (JP/EN/CN) and SEO Optimization
To capture accelerating inbound demand, we developed fully replicated pages in Japanese, English, and Chinese. Furthermore, by expanding our insights column, we aim to drive search traffic through long-tail keywords such as “Sapporo Vacation Rental Management” and “Hokkaido Real Estate Investment.”
*Note: The “Direct Booking” feature and English/Chinese pages are scheduled for sequential release.
The Craftsmanship Behind the Renewal: Our Vision and Commitment
To highlight WorldWideBase Group’s unique ability to handle everything from acquisition to operation, we faced the challenge of integrating two distinct identities—”Real Estate Brokerage” and “Vacation Rental Operator”—into a single cohesive website. Through meticulous information architecture, we focused on seamlessly connecting these two facets. Our goal was to create an intuitive experience where users instantly realize, “I see—if I buy here, they can handle the entire management for me.”
Solving Business Challenges Through Kukan’s Strategic Creative

Furthermore, as part of this renewal, we implemented a “Direct Booking” feature—a critical driver for improving profitability in the hospitality industry.
While OTAs remain invaluable for reaching highly motivated travelers globally, the resulting commission fees present a persistent challenge for business owners. By building an in-house booking system, we have shifted toward an efficient digital strategy that reclaims booking channels and directly converts intermediary costs into business profits.
Our goal is not a total rejection of OTAs, but rather a “strategic rebalancing”—moving from dependency to independence. As a web partner, it is a profound privilege to have created a framework where the owner’s efforts are more directly reflected in their bottom line.
The implementation of a “Direct Booking” system is a clear manifestation of Kukan’s creative philosophy. We do not strive to create websites that are merely “aesthetically pleasing.” Instead, our mission is to build platforms that actively propel our clients’ businesses forward—generating tangible value not only for the owners but for all stakeholders involved in the enterprise.
Kukan empowers clients to overcome business challenges through the power of strategic creative. If you are seeking a partner for website development or digital marketing strategies, we invite you to reach out for a consultation.
Kukan Inc. | Project Portfolio:https://kukanhokkaido.co.jp/websolutions/works/
Inquiries & Consultation:https://kukanhokkaido.co.jp/websolutions/contact/
Client Spotlight: WorldWideBase Group
Maximizing Asset Value and Profitability
A professional group dedicated to unlocking the full potential of real estate assets. We offer a comprehensive one-stop solution from acquisition to operation, ensuring the maximization of investor returns.
・WorldWideBase Co., Ltd.:Specialists in real estate brokerage, acquisitions, and consulting, building a solid foundation for income-generating properties.
・W vacation Co., Ltd.:Experts in the operational management of guesthouses, vacation rentals, unmanned hotels, and monthly apartments, delivering high occupancy and superior yields.


Company Profile
● Company Name: Kukan Inc.
● Established: November 29, 2022
● Capital: ¥1,000,000
● Representative: Kentaro Yamamoto
● Locations:
○ Furano Office: 4-7 Sakaemachi, Furano, Hokkaido 076-0023, Japan
○ Sapporo Office: 1-1 Toyohira 4-jo 3-chome, Toyohira-ku, Sapporo, Hokkaido 062-0904, Japan
● License Number: Real Estate Transaction Dealer Hokkaido Governor Kamikawa (1) No. 1316
Business Activities
● Minpaku Investment Business – Planning and operation of JANKEN, support for minpaku investment projects in the Hokkaido area.
● Creative Business – Business development, branding, planning support for marketing solutions.
● Real Estate Services – Buying, selling, leasing, brokerage, purchase and revitalization, development, property management, detached housing/land subdivision, house/condominium construction and sales, interior construction, renovation work.
● Web Services – Website planning, production, and operation, IT support services, online secretarial services, internet information provision.
● Recruitment Support Services – Comprehensive solutions to build high-performance teams through Recruitment Process Outsourcing (RPO), employer branding, Wantedly management, career site/video production, and recruitment DX integration.
Related Links
● Kukan:https://kukanhokkaido.co.jp/en/
● JANKEN:https://janken-hokkaido.com/en/
● Real Estate Buying Specialist “Goen”:https://goen-hokkaido.jp/
● Web Support Services:https://kukanhokkaido.co.jp/websolutions/
● Kukan Real Estate:https://kukanhokkaido.co.jp/realestate/
● Recruitive:https://recruitive.hokkaido.jp/
Related News
● [Case Study] Full Website Renewal for “Hanasora,” a Florist in Toyohira, Sapporo | Complete Corporate & Service Site Development
https://kukanhokkaido.co.jp/pressrelease-en/5168/
● Recruitment RPO Services: Landing Page Development (Design & Coding)
https://kukanhokkaido.co.jp/websolutions/works/recruitment-lp-design-coding/
● Kukan Inc. Showcases Creative Success in Empowering Local Hokkaido Businesses.
https://kukanhokkaido.co.jp/pressrelease-en/4722/
Inquiries Regarding This Matter
Company Name: Kukan Inc. Public Relations Manager
E-mail address: pr@kukanhokkaido.co.jp