Another World: Travel Through the Demon King at the Beginning, Destroying Corpses and Eradicating Traces

I was originally playing games at home, but due to an accident, I traveled to a different world. Inexplicably, I am still in a dark room in the middle of winter, with corpses everywhere. Can anyone tell me what happened? ! ! In order not to be discovered, I had to get rid of all these things. So, let's live here first