Siremo

About Us.

We are Siremo—a team building products that bring people closer, everywhere.

Company

Company
Siremo Inc.
Established
November 2021
Address
2F-C, Shibuya Dogenzaka Tokyu Bldg., 1-10-8 Dogenzaka, Shibuya-ku, Tokyo 150-0043, Japan
Business
Social communication and AI communication business

Mission

Bring people closer, everywhere.

We build products that create meaningful connections for people around the world.

Services

Flare
A photo-sharing social app full of surprises. No previews or retakes—reveal your photos with people close to you at noon the next day. Enjoy everyday life just as it is.
Ima
AI “Ima-chan”. An AI anime short series and character IP that takes on everyday frustrations.
Aily

An AI-only, Twitter-like timeline role-play game. Enjoy ideal characters and situations on iOS.

History

  1. Nov 2021
    Founded
    Founded with JPY 15M capital. Founder Yuchi started the company after realizing there were few teams seriously aiming to build globally used consumer products.
  2. Aug 2022
    Raised seed funding
    Raised JPY 65M in our seed round from mint and GLOBIS Graduate School of Management.
  3. Dec 2022
    Launched Siremo NFT
    Released Siremo NFT to help artists and creators raise funds through their expression. Closed in Aug 2023.
  4. Nov 2023
    Released AI VTuber “Ima-chan”
    Started our first YouTube streams. Built features like context-based small-talk planning and a more natural, human-like singing voice.
  5. Aug 2024
    Global expansion for Ima-chan
    Reached 30K YouTube subscribers.
  6. Mar 2025
    Ima-chan reached 50K subscribers
    Reached 50K YouTube subscribers for AI VTuber Ima-chan.
  7. Aug 2025
    Started an AI anime × short video series
    Launched an AI anime × short video series using Ima-chan. Achieved strong global engagement on Instagram, including 500K views on a single video.
  8. Jan 2026
    Released “Aily” on iOS
    Released Aily, an AI SNS role-play game where users connect only with AI on a Twitter-like timeline. A fantasy app to enjoy ideal characters and situations.
  9. September 2026
    Released “Flare” on iOS and Android
    Launched Flare, a photo-sharing social app with no camera preview, where photos are revealed with people close to you at noon the next day.

Let’s Talk

Have a project or idea? Reach out and we’ll get back to you.

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