Soul Penetration Manor

An unexpected car accident caused Li Kaihe to travel to a magical manor. Li Kaihe, as the son of a farmer, took on the important task of supporting his family. In this huge manor, he used the scientific knowledge he had learned in Blue Star for more than 20 years in his previous life to invent many novel gadgets, and he was gradually promoted and appreciated by the owner of the manor. But as his vision gradually broadened, he discovered that there was a ghost in the manor. The scary thing was that no one had ever left the manor. This is not a human estate, this is a world, a human estate dominated by ghosts!