
Mascot character and plush design
A new mascot for a company’s animal cast. Won the user popularity vote, debuted as event key visual, and set that month’s sales record.
Character DesignWe are a Tokyo co-studio for illustration, brand and UI design, and software engineering. Work directly with a designer and an engineer, from concept to delivery.


A new mascot for a company’s animal cast. Won the user popularity vote, debuted as event key visual, and set that month’s sales record.
Character Design
Seasonal and event artwork in soft, muted strokes that blend naturally into everyday scenes.
Illustration
A month-long birthday countdown posted by three linked illustrators, reaching hundreds of thousands through hashtags.
SNS / Illustration
Exaggerated expressions and staging matched to each character’s personality; the first series led to a solo-planned second.
Illustration
Four-panel comics starring the client’s mascot, with a full story arc and a layout built for social sharing.
MangaCharacter and spot illustration for books, magazines, advertising, merchandise, and more.
Concept development and world-building, with team-wide production and supervision.
Graphic, web, and UI design — from information architecture to final visuals.
Websites and web applications, from prototype to backend.
Planning and branding support — from framing problems to shaping strategy.
Yohaku is a co-studio by designer Rei Minamino and engineer Minato Enomoto.
Working across design, art direction, illustration, and software engineering, we design and build brands, products, and web experiences.
Yohaku — whitespace — is not empty space. It is the room needed to communicate, and the pause that allows thought.
By designing this whitespace, we create experiences where the essential naturally comes through.
Design insight and engineering craft, combined into one coherent process.
Illustration and design that carefully draw out the world of a brand or product.
A compact team that works fast and stays close to each client’s intent.
Based in Tokyo — at home in Japan, and on projects worldwide.
Commissions, questions, or collaborations — we’d love to hear from you.
For commissions & collaborations