SekaiE Inc.
Develops and sells interactive content creation technology and interactive content.
Website: https://sekaie.in/en/company_en/
Cover Block
| Attribute | Value |
|---|---|
| Company | SekaiE Inc. |
| Tagline | Develops and sells interactive content creation technology and interactive content. |
| Headquarters | Tokyo, Japan |
| Founded | 2023 |
| Stage | Pre-Seed |
| Business Model | B2B |
| Industry | Media / Entertainment |
| Technology | Software (Non-AI) |
| Geography | East Asia |
| Founding Team | Co-Founders (2) |
| Funding Label | Pre-seed |
| Total Disclosed Capital | 5.5 million yen (including capital reserves) [SekaiE company profile, retrieved 2024] |
Links
- Website: https://sekaie.in/en/company_en/
- Google Play: https://play.google.com/store/apps/details?id=chat.sekai.app&hl=en_US
Summary and Signal
SekaiE Inc. is an early-stage Tokyo venture building a no-code platform for interactive content [SekaiE company profile, retrieved 2024]. Founded in September 2023 by CEO Jihee Won and CTO Ryusuke Oshima, the company aims to enable the creation of interactive AI games, quizzes, and mini-apps without coding [SekaiE company profile, retrieved 2024; Google Play, retrieved 2026]. The venture operates with a capital base of 5.5 million yen (approximately $35,000) and a team of 13 members [SekaiE company profile, retrieved 2024].
Data Accuracy: YELLOW -- Core company description and team bios are from a single company profile; product claims are inferred from an app store listing.
Taxonomy Snapshot
| Axis | Classification |
|---|---|
| Stage | Pre-Seed |
| Business Model | B2B |
| Industry / Vertical | Media / Entertainment |
| Technology Type | Software (Non-AI) |
| Geography | East Asia |
| Founding Team | Co-Founders (2) |
Company Overview
SekaiE Inc. is a Tokyo-based company incorporated on September 27, 2023, focused on the development and sale of interactive content creation technology and interactive content [SekaiE company profile, retrieved 2024]. The company reports 13 members, including contractors and interns, and 5.5 million yen in capital [SekaiE company profile, retrieved 2024].
Data Accuracy: ORANGE -- Key details are sourced solely from the company's own profile page.
The Product and the Stack
SekaiE's product includes a no-code creation tool for interactive AI games, quizzes, and mini-apps [Google Play, retrieved 2026]. The CTO's background in LLM-related startups suggests the platform incorporates generative AI for content ideation or asset generation [SekaiE company profile, retrieved 2024].
Data Accuracy: ORANGE -- Product claims are based on the company's own profile and an app store listing; technical stack is inferred from founder background.
The Market They Are Entering
Global content marketing software was valued at approximately $5.2 billion in 2023, with a projected CAGR of 14% through 2030 [Grand View Research, 2023].
| Metric | Value |
|---|---|
| Content Marketing Software Market 2023 | 5.2 $B |
| Projected CAGR 2023-2030 | 14 % |
Data Accuracy: YELLOW -- Market sizing is from a third-party analyst report for an analogous, broader category.
The Competitive Field
| Company | Positioning | Stage / Funding | Notable Differentiator |
|---|---|---|---|
| SekaiE Inc. | No-code creation of interactive AI games, quizzes, and mini-apps. | Pre-seed; 5.5M JPY capital. | Focus on rapid, AI-assisted game/quiz creation. |
| Ceros | Interactive content creation platform for marketing and design teams. | Venture-backed; $168M total funding. | Mature enterprise platform with collaboration and analytics. |
| Column Five | Full-service content marketing and visual storytelling agency. | Privately held. | Service-led model. |
| Edelman | Global communications and marketing firm. | Privately held. | Integrated PR and marketing campaigns. |
| Fjord | Design and innovation consultancy. | Subsidiary of Accenture. | Strategic, human-centered design services. |
Data Accuracy: YELLOW -- Competitor profiles and funding are drawn from public sources.
Opportunity
SekaiE aims to become the interactive content layer for Japan's digital marketing and entertainment sectors. The company's Google Play listing describes a tool for creating interactive AI games and quizzes [Google Play, retrieved 2026].
Data Accuracy: YELLOW -- Growth scenarios are extrapolations from company claims.
Sources
- [SekaiE company profile, retrieved 2024] SekaiE Company - SekaiE | https://sekaie.in/en/company_en/
- [Sekai: Create · Remix · Play - Apps on Google Play, retrieved 2026] Sekai: Create · Remix · Play - Apps on Google Play | https://play.google.com/store/apps/details?id=chat.sekai.app&hl=en_US
- [Grand View Research, 2023] Content Marketing Software Market Size, Share & Trends Analysis Report | https://www.grandviewresearch.com/industry-analysis/content-marketing-software-market-report
- [Ceros, retrieved 2026] Ceros: Interactive Content Creation Platform for Teams | https://www.ceros.com/
- [RocketReach, retrieved 2026] Column Five Competitors | Companies like Column Five | https://rocketreach.co/column-five-competitors_b401be47ffefb754
- [Inven.ai, retrieved 2026] Top 23 Content Creation Companies | https://www.inven.ai/company-lists/top-23-content-creation-companies
Articles about SekaiE Inc.
- SekaiE's Thirteen-Member Team Builds the No-Code Interactive Quiz — The Tokyo-based startup is betting its interactive content creation platform can find a wedge between enterprise tools and casual apps.