Sukidayo Inc. has loaded


Relationship Tech 
for a Better World

Toward a world where everyone can be happy with the one they love.

Change The World
Through Relationship

We are a startup changing the world through
relationship technology for couples and families.

Relationships with our partners have long been treated
as a personal matter. Yet unstable relationships can lead
to broader social challenges, including declining mental health
and difficulties in family life.

By supporting love and meaningful dialogue,
we address the challenges couples face around the world
and strive to create a society where everyone can stay
happy with the people they cherish.

Change the world
through Relationship

We are a startup changing the world through
relationship technology for couples and families.

Relationships with our partners have long been treated
as a personal matter. Yet unstable relationships can lead
to broader social challenges, including declining mental health
and difficulties in family life.

By supporting love and meaningful dialogue,
we address the challenges couples face around the world
and strive to create a society where everyone can stay
happy with the people they cherish.

Riamo :
AI Relationship App for Couples

An app that helps couples naturally increase meaningful conversations through personalized questions, enabling a deeper understanding of each other.
AI-powered technology supports and strengthens your relationship.

Riamo :
AI Relationship App for Couples

An app that helps couples naturally increase meaningful conversations through personalized questions, enabling a deeper understanding of each other.
AI-powered technology supports and strengthens your relationship.

Programs & Accelerators

  • SME Support Organization “BusiNest” 10th Accelerator Program
  • G-STARTUP 8th Batch – Main Track
  • Tokyo Metropolitan Government – APT Women Program
  • ANRI Female Entrepreneur Investment Program “UNLOCK”
  • ICT Startup League

Awards & Recognitions

  • Forbes Japan – “100 People Saving the World Right Now”
  • Nikkei Cross Trend – “Future Market Creators 100” (2025 Edition)
  • Toyo Keizai – “Amazing Venture 100” (2025 Edition)
  • IMPACT STARTUP SUMMIT 2025 – Mitsubishi UFJ Morgan Stanley Securities Award
  • Forbes Japan – “Next Impact Startups 30 (2026)”

Yuka Atsuta

Programs & Accelerators

  • SME Support Organization “BusiNest” 10th Accelerator Program
  • G-STARTUP 8th Batch – Main Track
  • Tokyo Metropolitan Government – APT Women Program
  • ANRI Female Entrepreneur Investment Program “UNLOCK”
  • ICT Startup League

Awards & Recognitions

  • Forbes Japan – “100 People Saving the World Right Now”
  • Nikkei Cross Trend – “Future Market Creators 100” (2025 Edition)
  • Toyo Keizai – “Amazing Venture 100” (2025 Edition)
  • IMPACT STARTUP SUMMIT 2025 – Mitsubishi UFJ Morgan Stanley Securities Award
  • Forbes Japan – “Next Impact Startups 30 (2026)”

Yuka Atsuta

Join Us to Change the World

Looking for teammates to change the world with Couple Tech.

Sukidayo Inc. is an early-stage startup using technology to rethink and transform challenges around families and partnerships.

If you’re interested in building the future of relationships and partnerships, we’d love to hear from you.
Please feel free to check out the details.

Company Name
Sukidayo Inc.

Representative
Yuka Atsuta

Founded
September 2019

Business Overview　
・Addressing social issues related to families and partnerships
・Lectures, training, events, and marketing support
for corporations and governments

Head Office
3-34-7 Ikebukuro, Toshima-ku, Tokyo, Japan

Company Name　　　　　Sukidayo Inc.

Representative　　　　　　Yuka Atsuta

Founded　　　　　　           September 2019

Business Overview　　　　
　　　　　　　　　　・Addressing social issues related
 　　　　　　　　　　　to families and partnerships 
　　　　　　　　　　・Lectures, training, events,
　　　　　　　　　　　and marketing support
　　　　　　　　　　　for corporations and governments

Head Office　　　　　3-34-7 Ikebukuro, Toshima-ku, Tokyo, Japan