HIME PLAZA · by Kouna Hime Inc.
Upload your AI answer about Japanese creator events, EC, or culture. Get a Japan-side check.
Used AI to plan a Comiket booth, write a Japanese product page, or explain Japanese culture? Upload it — we catch the Japan-side mistakes AI can't see, and hand you a fix you can paste back into your AI. No meeting required. (Research, policy and business plans welcome too.)
Upload-first · No meetings · Avoid Japan-side mistakes · From $29
UPLOAD
What would you like checked?
Creator, event and EC come first — but anything Japan-related is welcome.
Comiket, Design Festa, pop-ups, cosplay, lolita, Harajuku — get a Japan-side check before you apply.
- · AI's answer about applying to Comiket / Design Festa
- · Booth, printing, or shipping plan for a Japan event
- · Harajuku / Laforet pop-up idea
Product copy, FAQ, shipping & returns for Japanese buyers.
- · Japanese product description or listing
- · Shipping / returns / customs wording
- · Store FAQ for Japan
Any AI answer about Japan — culture, business, operations.
- · ChatGPT / Claude answer about Japan
- · AI-written cultural explanation
- · AI summary you want fact-checked
A plan to enter, sell, or operate in Japan.
- · Go-to-market plan
- · Expansion deck
- · Pricing / channel plan for Japan
A regulation or institution question — issue spotting before you ask an expert.
- · Compliance memo
- · Which Japanese ministry / law applies
- · Regulatory landscape question
Notes, a literature summary, or a draft to fact-check.
- · Research memo on Japan
- · Lit review citing AI
- · Draft before you cite it
A concept or hypothesis for the Japanese market.
- · Pitch / one-pager
- · Hypothesis about Japanese demand
An AI prompt, SOP, or internal workflow to review.
- · AI prompt for Japan tasks
- · SOP / automation
- · Customer-reply templates
Anything Japan-related you want a second opinion on.
- · Any file or text about Japan
Add-ons (add to your review if needed)
Available as add-ons — add them if needed, no hard sell.
PRICING
Clear, capped pricing
WHY
Why a Japan-side check
AI can write a confident answer about Japan — and quietly get the institution wrong, miss an out-of-date rule, or misread the culture. Before you apply to an event, publish a product page, or cite a memo, we check it against Japan-side reality and hand you corrections, references, risk flags, and a next-step prompt for your AI.
AI can generate a Japan-related answer. HIME Plaza checks whether it's usable from the Japan side.
PROCESS
How it works
Standard service is text-first. Meetings are an optional add-on.
AUDIENCE
Who it's for
TRUST
What we do — and don't
- · Research review & fact-checking from the Japan side
- · Reference support (official Japanese sources)
- · Context & cultural checks
- · Issue spotting & risk flags
- · Give legal, tax, or investment advice
- · Guarantee event acceptance or approval
- · Guarantee regulatory or legal compliance
- · Publish or share your materials
- · We never publish or share your uploaded materials.
- · We don't use them to train AI models.
- · They're kept private to your case, accessible only via your private link.
- · Deleted on request — just ask.
A former Japanese public servant (Hokkaido) who now runs cross-border creator commerce and supports Japanese artists — working across policy, administration, EC, and creator culture. Reviews draw on Japanese primary sources, not generic AI.
PROOF
Real operating experience
We don't just advise — we run things. Reviews are grounded in hands-on work.
PLATFORM
Powered by HIME
Behind every review is HIME — our in-house platform for Japanese primary sources, law, statistics, and knowledge.
ECOSYSTEM
The HIME ecosystem
All HIME services — the platform our reviews are built on. Explore any of them.
Law & Research
Platform & Tools
Media & Information
Have an AI answer about Japan? Upload it.
Creator event, product page, or culture — upload it and we'll take it from the Japan side.
LEGAL
Scope & disclaimer
Our service provides research review, reference support, context checking, and issue spotting. It does not constitute legal, tax, investment, medical, or licensed professional advice. We do not guarantee event acceptance, regulatory approval, commercial success, or legal compliance. When necessary, we recommend consultation with qualified professionals.
Kouna Hime Inc. · Shibuya, Tokyo · Start Upload