Fast validation
Ship useful value quickly
Developer x AI x Product
AI and product builds that move outcomes.
From AI strategy to product development and operations, I help teams move faster with focused independent execution.
Quality and upkeep
Design for long-term use
Operator mindset
Build with the business in view
AI consulting
Design, validate, and operationalize practical AI workflows for teams and services.
DiscoveryAI designIteration
Product development
Shape ideas into products that fit the business, from MVP to growth.
MVPWeb / APIOperations
Original product
MetalQueens is an original Steam product planned and developed in-house.
Metal rhythmStory routesSteam
Original Product
MetalQueens
A story-linked metal rhythm game starring five queens. Use Tap, Hold, and Release to master songs and routes.
Official YouTube
See the world through the official channel.
MetalQueens trailers, character PVs, and development clips are introduced on YouTube.
Channel
Muscle Industry Official YouTube
Official channel for MetalQueens trailers, character PVs, and development videos.
MetalQueens - Official Trailer
Official trailer for the story-linked metal rhythm game starring five queens.
Watch video
MetalQueens - MIRA Night City Protocol PV
MIRA character PV introducing the neon-city side of the MetalQueens world.
Watch videoConsulting
Hands-on help from strategy to shipped product.
Not just advice. We shape ideas into testable, buildable steps.
AI Consulting
Turn AI experiments into everyday operations.
We clarify where AI helps, where it does not, and how it should be evaluated. From prompts and RAG to workflow automation, we validate in small increments.
Try the AI trainer demoProduct Development
Build the right product at the speed of the business.
From web services and admin UIs to APIs, LIFF, and game-adjacent tools, we narrow scope and ship with an operator mindset.
Packages
Focused ways to start
Even when requirements are early, we break the work into practical validation units.
Service
Original IP Game Adaptation
Turn characters, story, music, and worldbuilding into a playable game concept and Steam-ready product.
Revenue share available
View detailsService
Content Ops Kit
Setup support for stable Git-based operations of blog and product updates.
Price from JPY 180,000
View detailsService
Corporate Site Accelerator
Implementation package to speed up your website and improve inquiry conversion.
Price from JPY 450,000 (depends on requirements)
View detailsNotes
Notes from the build side
Notes on AI usage, product design, and operational improvement.
Design notes for a lightning-fast corporate website
The design choices, tech stack, implementation details, and Lighthouse results behind this site's performance work.
Read postNext step
Start with a focused validation step for AI or product work.
We clarify the issue, feasibility, and the first useful move together.