"You've been touching my butt for 300 years, how dare you say you don't know me!"
"Three hundred years? I haven't even lived for thirty years yet..."
"Hmph! Don't think that you can default on your debt after reincarnation. It's you! It's you!!!"
"..."
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That's it╮(╯▽╰)╭
The story of Taishang Laojun's lion-guarding boy and a man.