Tax Filing Guide for Private Tutors on Direct Contracts | Understanding Expenses and Efficient Bookkeeping

"Do I Actually Need to File Taxes?"

When you're tutoring on a direct contract, it hits you one day.

"Wait… am I supposed to be filing a tax return?"

😰
When I worked through an agency, they handled everything… Now I don't even have a withholding slip. Where do I even start?

Let's cut straight to the answer.

When You Need to File a Tax Return
If your annual income (revenue minus expenses) exceeds ¥480,000, you are required to file a tax return. For example, if you earn ¥50,000/month × 12 months = ¥600,000/year, and your expenses are ¥100,000, your taxable income is ¥500,000 — filing is required.

What Tutors Can Deduct as Expenses

A privately contracted tutor is classified as a sole proprietor. Any spending necessary for your business can be claimed as a deductible expense.

CategoryDeductible?Examples
TransportationRound-trip travel to students' homes
Teaching MaterialsReference books, workbooks, printing costs
Communication○ (prorated)Internet for online lessons, phone bills
StationeryPens, notebooks, whiteboards
Professional DevelopmentBooks and seminars for improving teaching skills
Office SuppliesPrinter, ink, copy paper
SoftwareManagement tools, cloud services (e.g., Kagemusha System)

Bookkeeping Is the Biggest Hurdle

The hardest part of filing taxes is keeping daily records.

When did you teach, who did you teach, how many hours, and how much were you paid? What were your transportation costs? Compiling all of this for an entire year is a nightmare.

365 days
of records to maintain
Pre-filing season
the most stressful time
Feb 16 – Mar 15
filing period

If Lesson Records Are Saved Automatically, Tax Filing Becomes Easy

With Kagemusha System, simply adding a lesson to your calendar automatically records:

All of this is automatically stored in a spreadsheet, so when tax season arrives, you simply pull the data as-is. No need to reconstruct a full year of bookkeeping after the fact.

Filing Without Records

In February, dig up a year's worth of records → scroll back through your calendar → check bank statements → hunt for expense receipts → takes 3 days

Filing With Automatic Records

A full year of data is already in your spreadsheet → copy and paste into accounting software → done in 1 hour

Summary

What Is Kagemusha System?
Just add lessons to Google Calendar, and everything is automated — records, totals, PDF invoices, and lesson reports. Build trust effortlessly with a dedicated parent portal. Free for the first month, then ¥500/month.
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