It Turns Out That Life in the Warring States Period Was so Difficult [Naruto]

My name is Lu Jinjiang, and I am a Chinese who works well and is in good health. But now, I spend every day worrying about how to wipe my butt after defecation during the Japanese and Warring States Periods of history. —— *Modern people travel through Naruto and the Warring States Period without knowing the plot or plug-ins. *What if I burp my butt at some point?