Traveling to ancient times, with space

After transmigrating, my father died of illness, my mother remarried, and then we encountered a once-in-a-century drought. My heartless second uncle and aunt wanted to sell me to a dying old man in town for a "lucky charm" marriage to raise money. I saw them sharpening a knife at my second uncle in the middle of the night. Thus began my solitary escape from famine, and my life became incredibly prosperous. I had no worries about food or drink, becoming a carefree wanderer. If I didn't like someone, I'd beat them up; if I couldn't win, I'd run away. I would never compromise myself for the sake of others. Before I knew it, I had become the savior fairy in the eyes of the people...