This is a set of materials for the Japanese Bookkeeping Association (Nissho Boki) Level 2, specifically for commercial bookkeeping. The set includes a textbook, lecture notes, and a problem set. These materials were included when applying for a tax accountant course in June 2025 and are brand new and unused. Video viewing is not included. Contents: - Textbook - Textbook Answer Sheet - Lecture Notes - Problem Set - Problem Set Answer Sheet Thank you for looking.