I Became the Villain Who Gets Kicked Out Around Chapter 20

I was possessed by a minor villain who gets killed off around chapter 20! My goal is survival! I managed to beg for my life from the protagonist and survive until thirty, but another crisis has befallen my life. It's that my underwear has started to get stolen. "What, what is this! Where did my underwear go?!" I even tried staking out to catch the thief, but the result was a complete failure. "If you're going to steal, you should at least leave some coins! Do you know how much underwear costs?" Upon hearing those words, the underwear thief kindly and generously left money behind. Isn't this a pretty good deal?! So I rejoiced and dreamed of the day I could escape my servitude to the So f...