Led · Seed · Jul 2026

Fish Audio develops AI speech generation and speech-to-text models and offers both open-source releases and paid API plans for creators, teams, and enterprises. The company has launched five models in the last year—three of which are open-sourced—and its S2.1 Pro model is available only through its paid API. Fish Audio reports more than 8 million users and $21 million in annual recurring revenue, and its GitHub Fish Speech repository has over 31,000 stars. It offers paid monthly plans that unlock generation minutes and voice cloning features, and it also runs enterprise APIs used by companies including HeyGen, Sanas and Plaud. The startup plans to release an audio understanding model this year and is building a speech-to-speech model as part of its roadmap. Fish Audio has also implemented an automated takedown process and creator verification flows to address consent and licensing concerns around uploaded voices.

Led · Series A · Jun 2026

CFOne offers an annual SaaS tax service priced at ¥100,000 that automates categorization of receipts, bankbooks, and card statements and provides instant chat consultations plus tax filing, with users performing only final approval. Its core feature is an AI agent that continuously learns each customer’s business situation to make proactive suggestions and it partners with human tax advisors for decision support. The service targets small businesses, including SMEs and sole proprietors, and officially launched this month. CFOne reported demonstrations with over 50 companies at its in-house accounting firm and claims a 90% order rate from those demos. Financially, the company has raised ¥1.7 billion in the recent Pre-Series A and has ¥2.0 billion in total funding. Planned uses of capital include accelerating product development, marketing for user acquisition, and hiring engineering and customer service staff to expand the product and organization.

Led · Seed · Mar 2026

AOGU develops AOGUこころ, a plush-doll conversational AI product designed to provide personalized dialogue and monitoring for people with dementia by leveraging large language models and individual life-history data. The product personalizes responses based on a user’s background, symptoms, and characteristics, and supports schedule reminders and monitoring. AOGU reports that more than 100 individuals in households and care facilities have trialed the device and that the product is being updated iteratively. The company’s stated mission is to "wrap people with dementia and their caregivers in soft technology," and it plans product evolution through LLM tuning and hardware UX improvements. Financially, AOGU has just completed a ¥55 million seed equity financing led by Coreline Ventures. To support growth, the company plans to expand its team with AI and backend engineers, hardware engineers, and dementia-care professionals.

Led · Series A · Jan 2026

Eversteel builds “Tetsu Navi Kenshu AI,” a computer-vision platform that analyzes images from cameras installed in scrap yards to determine scrap steel grades, flag impurities or foreign objects, and identify dangerous materials without human intervention. By automating a process that is traditionally manual and error-prone, the company targets steelmakers and recycling operators looking to improve safety and maximize scrap value. Established in March 2021, Eversteel operates from the University of Tokyo’s Entrepreneur Lab in Bunkyo, Tokyo. The firm started with a statutory capital of ¥1 million and is now backed by strategic and financial investors. In January 2026 it closed a ¥460 million Series A round, providing fresh funds to accelerate product development and expand deployments. No revenue or user figures were disclosed in the announcement, but the new capital positions the company to scale commercial roll-outs and enhance its AI models.

Participated · Equity · Jan 2026

Founded in 2022, route-D develops artificial-intelligence and optical-character-recognition (AI-OCR) tools that streamline purchase orders, invoices, and other supply-chain paperwork. Its flagship product, route-D AI Data Entry, launched in 2025 and automatically learns diverse document formats to embed seamlessly into existing enterprise workflows. The solution is already deployed by more than 50 corporate customers, helping them automate high-volume order placement and distribution processes. Headquartered in Chiyoda-ku, Tokyo, the company positions itself as an end-to-end automation partner for manufacturers and distributors. Management intends to broaden its portfolio of AI-driven offerings while accelerating go-to-market efforts for the current OCR suite. To support these plans, route-D recently secured ¥330 million in venture funding that will be directed toward sales expansion and new product development aimed at boosting client efficiency and profitability.