The Boss Monster's Escape from Human Life

I was a dungeon boss monster, but I got trapped in a human body. I managed to hide and survive for 10 years, but then I caught the eye of some crazy guild leader, signed a contract wrong, and got a job as a purification shuttle. ...Humans are worse than monsters. I want to go home. ***Ding*** "Shhh." "......" "......" The golden eyes in front of the elevator folded with a hint of joy. A tentacle that rose beside his head instead of a hand swayed gently. "Hello?" My sympathetic nervous system was stimulated, and my back became damp with the fluid that was released. I froze, unable to move, and the tentacle and head tilted to the side at the same time. "Why are you so stiff? ...Oops." H...