Girl, Don't Be Anxious

I am a Town Transport Officer in the Town Transport Bureau. You ask what I'm doing? I'm helping an old lady cross the street. Why am I doing this? Because the system says I won't live past three days... Oh, and there's one more thing. I discovered that my house has a secret tunnel leading directly to the neighbor's place. And then, a royal consort moved in next door. Your Highness, surely you wouldn't want this matter to...