Money Rat Burrowing

Ah la la la la la, I traveled through time, I must be a genius boy, let's see, ah, how did I become a money rat that can dig holes? Oh, by the way, I just had a car accident. Okay, it's not something to show off, but I'm still conscious, and what's more, what's coming towards me is a big truck. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.