Automating tutor operations — attendance, invoicing, and class reports
I was fed up with copy-paste hell when I learned about a tool called Claude Code. "It rewrites your files directly." That single phrase changed my world.
2026-03-22 ProductStill managing tutor attendance manually in Excel? With Kagemusha System, everything from lesson tracking to invoice generation is fully automated through Google Calendar integration.
2026-03-21 Efficiency TipsFrom spring intensive courses to the new school term — when your student count surges, it's time to get your systems in order before schedule management falls apart. Here's how to fully automate attendance tracking and invoicing for just ¥500/month.
2026-03-21 Case StudyIn an age where AI can teach academics, a tutor's real strength is "guidance only humans can provide." But what if admin work keeps you from focusing on what matters most? Here's how one tutor solved that problem.
2026-03-21 Efficiency TipsDo you find yourself scrambling every March? By automating the most tedious part of tax filing for tutors—organizing your records—the entire process becomes surprisingly easy.
2026-03-21 ComparisonHow much time do you spend on attendance management every month? We conducted a thorough comparison of three methods—handwritten records, Excel, and the Kagemusha System—across time, accuracy, and cost.
2026-03-21 Dev Story"If AI can write code for me, maybe I can do this too?" I was so wrong. The battle with ChatGPT was an unimaginable nightmare.
2026-03-21 Dev StoryZero programming experience. I had never written a single line of code. But six years of accumulated frustration from tutoring admin work changed everything.
2026-03-21 DevelopmentA full reveal of the PC environment behind a SaaS product built by someone with no coding experience. Part 1 introduces my partner in development — how to install and use Claude Code.
2026-03-21