01Detailed simulations for Furusato Nozei, mortgage deductions, and medical expenses.
02Comprehensive support for Reiwa 7 (2025) Japanese tax law and reforms.
03Automated 'Income to Earnings' conversion logic using official glossary terms.
04Guidance on business expense classification, blue returns, and the invoice system.
05Structured response format including legal references, calculation steps, and disclaimers.
06323 GitHub stars