01 / 10
Construction
From quotes to LINE bookings — turn jobsite trust into web inquiries
Next.js 16 · PostgreSQLTingnan ang detalye
No lease contracts · fixed monthly
We build your
website or app.
From idea to live in 2 weeks. Code, domain, and content are 100% yours. No lease contracts.
¥49,800/month(tax incl.) · zero setup fee · cancel anytime
· Kosai, Shizuoka 431-0425· 32 in-house projects· Komoju verified merchant· 9 languages supported
Mag-message sa LINE o WhatsApp.
Walang form. I-message lang kami — sasagot sa loob ng 5 minuto.
LINE
@yibi_jp
I-scan para idagdag sa LINE
Buksan ang camera → i-tap ang LINE link
Iba pang paraan
Sagot sa loob ng 5 minuto · walang sales call
INDUSTRY SHOWCASE
Buong kit para sa inyong industriya.
May dedikadong page kami para sa bawat 10 industriya — features, tunay na halimbawa, tech stack. I-click para malaman pa.
02 / 10
Supermarket
Weekly flyers, LINE coupons, online ordering — unified
Next.js 16 (ISR) · LINE Messaging APITingnan ang detalye
03 / 10
Factory / Manufacturing
From gut feel to live numbers — visualize the factory floor
Next.js 16 · TypeScriptTingnan ang detalye
04 / 10
Auto Repair Shop
The site that brings every car back in two years
Next.js 16 · Prisma + PostgreSQLTingnan ang detalye
05 / 10
Wholesale / Distribution
Replace FAX and phone orders with a 24/7 B2B portal
Next.js 16 · TypeScriptTingnan ang detalye
06 / 10
Logistics / Trucking
Every truck on the map. Every parcel accounted for.
Next.js 16 · Leaflet / Mapbox GL JSTingnan ang detalye
07 / 10
Freight / Moving Quotes
Kill the phone tag — quote, book, and pay on your site
Next.js 16 (Server Actions) · Google Maps Distance MatrixTingnan ang detalye
08 / 10
Apartment Rental
A SUUMO-grade rental search experience, on your own brand
Next.js 16 (RSC) · PostgreSQL 16 + PostGISTingnan ang detalye
09 / 10
Property Sales
Search → mortgage math → LINE handoff — full property sales site
Next.js 16 (ISR) · PostgreSQL + PostGISTingnan ang detalye
10 / 10
Car Rental
Availability calendar to one-way return, in a single system
Next.js (App Router, SSR) · PrismaTingnan ang detalye
Why KGA IT
We left the lease-contract industry behind.
Japan's SME Agency and consumer-protection center keep warning about predatory web-lease scams. We chose the opposite path.
No lease contracts
No 5-year lock-ins, no cancellation penalties. Pure month-to-month subscription.
Source code 100% yours
Code, domain, and content belong to you from day one. Migrate to another vendor freely.
Cancel in one click
Self-serve cancel from your account. No questions asked. You keep access until the end of the month.
Unlimited updates
No 'pay-per-edit' nonsense. CMS access included. Small fixes done same-day.
* See METI SME Agency and the National Consumer Affairs Center for the public record on web-lease scams.
Pricing
¥49,800/month (tax incl.).
Everything included. No surprise invoices.
Monthly plan
¥49,800/月
(tax incl.) · zero setup fee · cancel anytime
Included
- Website / app / business system development (whichever you need)
- Design (UI through to assets)
- Hosting, deploy, and SSL certificate
- Weekly check-in calls
- Same-day handling for small edits and updates
- Monthly performance report
- Up to 9 locales — no extra cost for multilingual
- Priority support during business hours, best-effort outside
Quoted separately
- Large custom development (100+ hours)
- Third-party software license fees
- Paid-ad management (separate engagement)
Contract terms (Japan compliance)
· Auto-renews on the 1st of every month / billed on the last day of the prior month· Cancel from your account in one click — no penalty· No mid-month refunds — service continues to month-end
Why us
The only Shizuoka agency built like this.
9
Native in 9 languages
JA, EN, PT, KO, ZH, MS, FIL, VI, ES. Built for tourism, export businesses, and international e-commerce — multilingual from the start, at no extra cost.
✓
Komoju verified merchant
We meet the audit standard of Japan's largest payment processor. Builds e-commerce with payments safely.
32
32 in-house projects
AIRA, Miru, Yoyaku, Hayaku — products we operate ourselves. We bring that operational know-how to your project.
FAQ
If something's unclear, this should help.
Correct. Month-to-month subscription only — cancel anytime. No leasing company in the loop.
Build, design, hosting, deploy, updates, and support — all included. Custom dev over 100 hours is the only thing quoted separately.
Code, domain, and content are 100% yours. Migrate freely. We hand off the server config and a runbook.
Next step
Let's just talk first.
Free consultation. No sales pressure. You can say no.