Because of the death of my grandmother, my parents and I returned to our hometown and met a strange and cold-hearted uncle who was three or four years older than me. On the day of my grandmother's death, there was an inexplicable tail ring with a strange pattern on my finger that I couldn't take off. I also found a rare obsidian door in my hometown, with the ancient beast Pixiu engraved on it to ward off evil spirits. On the day I returned home, I had already got on the highway, and when I woke up, I was back in my hometown house. What's even more strange is that my hometown, which was bustling yesterday, was actually empty. Moreover, I was still imprisoned in it, and I met my uncle again. After entering the Obsidian Gate, I discovered some unknown secrets...