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KashiKai
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Finance for freelancers in Japan

your finances.
finally sorted.

KashiKai tracks income, calculates taxes, and prepares your 確定申告 — in the language you think in.

Used by 200+ freelancers across Japan

This month

¥ 847,200

AI reviewed ✓
確定申告 estimate ¥ 102,480

01 — What's included

Everything you need
to file confidently

02 — From our users

03 — Plans

Simple, transparent pricing

Start free. Upgrade when you're ready.

05 — FAQ

Frequently asked questions

06 — Get started

Ready to simplify
your freelance taxes?

Free to start. No credit card. Works today.