どんぶり帳簿

Bookkeeping Tool for Side Hustle Workers
・For people who feel cloud accounting systems are overkill
・For side hustle workers who mistakenly believe they cannot file blue tax returns

Conversely, this tool is not suitable for sole proprietors at a larger scale, such as those who want to "input expenses in detail," "manage assets over 300,000 yen and handle depreciation," or "are subject to consumption tax."