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Sukidayo.inc 20252026

Tokyo, Toshima Ward

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Sukidayo Inc. is a startup that uses technology to revolutionize family and partnership issues. Currently, in Japan, one couple divorces every three minutes, and even in cases where divorce does not occur, 63% of couples experience a deterioration in their relationship after childbirth. The key to preventing relationship deterioration is “communication,” but only 1-2% of couples are able to communicate effectively. Therefore, Sukidayo uses AI to support communication between couples and provides a casual dialogue experience that makes it easier to communicate. Sukiyo aims to become a global relationship care app used by 100 million people and will continue to evolve with a sense of urgency.

Sukidayo.inc 's News & Column
NEW INFORMATION

Sukidayo Releases AI-Powered Personality and Relationship Diagnostic Tool for Couple App

2026/02/26

STARTUP LEAGUE

Sukidayo Releases AI-Powered Personality and Relationship Diagnostic Tool for Couple App "Riamo"

Sukidayo Inc. (Headquarters: Toshima-ku, Tokyo; CEO: Yuka Atsuta) announced on February 26 the release of a new feature, "Couple Diagnosis," within its AI app "Riamo," designed for couples and spouses.

2026/02/26

STARTUP LEAGUE

Sukidayo Releases AI-Powered Personality and Relationship Diagnostic Tool for Couple App "Riamo"

Sukidayo Inc. (Headquarters: Toshima-ku, Tokyo; CEO: Yuka Atsuta) announced on February 26 the release of a new feature, "Couple Diagnosis," within its AI app "Riamo," designed for couples and spouses.

2026/01/14

STARTUP LEAGUE

Couple Tech Startup Sukidayo Raises 85 Million JPY in Seed Round

Sukidayo Inc. (Headquarters: Toshima-ku, Tokyo; CEO: Yuka Atsuta), a company developing AI-powered communication apps for couples, announced on January 14 that it has raised a total of 85 million JPY in a seed funding round.

2025/12/05

STARTUP LEAGUE

Why Do Men Who Avoid "Talking" Invite Their Partners Themselves? —A Global Strategy to Optimize "Couple Dialogue" with AI—

In Japan, one out of every three couples divorces. Even among those who do not, over 60% of child-rearing households experience a deterioration in their marital relationship after childbirth. The biggest cause is a "lack of dialogue." However, only 10% to 20% of couples actually practice daily "discussions."

Sukidayo.inc's Main Innovation
INNOVATION

Research and Development of an AI Product Experience to Support the Continuation of Romantic Relationships

In this project, we will establish design guidelines for AI product experiences that support the continuity of relationships between couples and married partners, based on real-world data. We will conduct multifaceted verification through A/B testing and user research to optimize content delivery based on user attributes, review the information architecture of the home screen, and assess the impact of gamification and AI reports on habit formation and retention rates. Rather than relying on intuition or rules of thumb, we will scientifically identify which UI/UX, feature designs, and AI experiences contribute most to sustaining relationships. We will continue to actively engage in research and development aimed at advancing the social implementation of ICT that supports diverse relationship dynamics and deepens human connections.

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Sukidayo.inc Representative Introduction
REPRESENTATIVE

Representative Yuka Soma
Born in 1993 in Saitama Prefecture. Enrolled at Aoyama Gakuin University and researched communication between couples in the United States.
In 2019, inspired by his own marriage, he became motivated to address social issues related to marriage and family, leading him to launch the “Futari Kaigi” app, a communication support tool for dual-income couples.
In 2022, published the book “Balancing Work and Family: The Amazing Communication Techniques of Dual-Income Couples.”
In 2024, selected as one of the “100 People to Watch: Hope for Saving the World” by Forbes Japan.
Main Achievements Selected for Forbes Japan's “100 People to Watch: Hope for Saving the World” in 2024
Selected for Nikkei Cross Trend's “100 Companies Shaping the Future Market (2025 Edition)” in 2025

Sukidayo.inc Basic Informaton
BASIC
INFORMATION

Company Name Sukidayo.inc
Representative Name Yuka Soma
Address Tokyo Prefecture, Toshima Ward, Ikebukuro 3-34-7 Business Park Ikebukuro 2nd Floor
Official Site and Social Media, etc. Official Website
@yuka_atsuta | X (Twitter)
note
Founding Date September 17, 2019
Awards 2023 Selected for the 10th BusiNest Acceleration Program by the Small and Medium Enterprise Agency
2024 Selected for the 8th BATCH MainTrack of G-STARTUP
2024 Selected for the Tokyo Metropolitan Government's “APT Women” program to promote the growth of women-led ventures
2025 Selected for ANRI's “UNLOCK” investment program for female entrepreneurs

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