# Sotaro Karasawa

> Sotaro Karasawa is a seed investor at STAR FESTIVAL (Tokyo) backing Software and Blockchain. See 8 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [STAR FESTIVAL](https://shizune.co/investors/profile/star-festival)
- Location: Tokyo, Japan
- Total investments: 8
- Last investment: Jun 2025
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/sotarok/

Sotaro Karasawa is a seed investor at STAR FESTIVAL in Tokyo focused on Software and Blockchain. Sotaro Karasawa - Chief Technology Officer @ STAR FESTIVAL

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $948k–$14M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 3 | 38% |
| Blockchain | 2 | 25% |
| Art | 1 | 13% |
| Travel | 1 | 13% |
| Content | 1 | 13% |

21 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 4 | 50% |
| Pre-Seed | 2 | 25% |
| Angel | 1 | 13% |
| Series B | 1 | 13% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| OPERA TECH | OPERA Lead is a sales-focused AI web chatbot service from Opera Technology that turns websites into 24/7 "exhibit booths" for lead generation.It deploys AI sales assistants on existing sites (via simple tag embedding, no redesign needed) to engage the 99% of visitors who don't convert via inbound methods alone. Key capabilitiesinclude direct booking of meetings, guiding users to whitepapers/webinars, and targeted lead qualification for efficient deal progression. | $625.9K | Angel | Jun 01, 2025 |  |
| Cloudbase | Cloudbase is an information technology company that specializes in the fields of cloud services and management. | $948.2K | Seed | Aug 24, 2022 |  |
| Taian | Taian, which specializes in bridal industry services and software. They also provide ''Concept Marry,'' which allows couples to design invites and seating charts that match their wedding theme, as well as display guest information on Oiwaii. | $432.1K | Pre-Seed | Oct 01, 2021 |  |
| Atmoph | Atmoph is rethinking the way we connect with nature and information, in order to change quality of time at home better. Atmoph Window, the world’s first smart digital window, opens to beautiful scenery from around the world with 4K-shot videos and sounds. | $20.7M | Series B | Nov 06, 2020 |  |
| Anique | Anique is a service that utilizes blockchain technology to make artworks. |  | Seed | Dec 19, 2019 |  |
| FRAME00 | FRAME00 is a blockchain technology startup developing a decentralized funding platform. Their product is an open-source middleware that fairly evaluates any activity and supports sustainability with staking. |  | Pre-Seed | Sep 26, 2019 |  |
| Elaly | Elaly Technology makes life better for people around the world.We aim to make the value of money and the experience gained from it flatter.As many people as possible will use technology to realize a happier life, independent of the money economy. | $13.8M | Seed | Jul 24, 2019 |  |
| Rocketa | Rocketa is a news curation and social media platform. | $1.7M | Seed | May 09, 2019 |  |

8 of 8 investments shown.

## Co-investors
- [MIRAISE](https://shizune.co/investors/profile/miraise) — VC Fund, 2 deals together
- [Akatsuki Games Inc.](https://shizune.co/investors/profile/akatsuki-3) — VC Fund, 1 deal together
- [aucfan](https://shizune.co/investors/profile/aucfan) — VC Fund, 1 deal together
- [Chushin Venture Capital](https://shizune.co/investors/profile/chushin-venture-capital-6384) — VC Fund, 1 deal together
- [Colopl Next](https://shizune.co/investors/profile/colopl-next) — VC Fund, 1 deal together
- [Delight Ventures](https://shizune.co/investors/profile/delight-ventures) — VC Fund, 1 deal together

## About STAR FESTIVAL

VC Fund · Sapporo-shi, Japan

Star Festival offers online lunch and catering delivering arrangement services called "GOCHIKURU" & "SHASHOKURU". "GOCHIKURU" makes available a wide variety of lunch boxes and catering services of our customers' choice, even from famous restaurants.

2 contacts available at STAR FESTIVAL.

| Name | Title | Profile |
| --- | --- | --- |
| Sotaro Karasawa | Chief Technology Officer | https://shizune.co/investors/profile/sotaro-karasawa |
| Yusuke Kishida | Founder, President & CEO | https://shizune.co/investors/profile/yusuke-kishida |

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## FAQ

### What does Sotaro Karasawa invest in?

Sotaro Karasawa invests primarily in Software, Blockchain and Art startups, most often at Seed and Pre-Seed stage. Most of the 8 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Sotaro Karasawa's check size?

Sotaro Karasawa typically joins rounds of $948k–$14M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Sotaro Karasawa participates in.

### When did Sotaro Karasawa last invest?

The most recent investment recorded for Sotaro Karasawa closed in Jun 2025. Shizune tracks 8 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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