Your parents were often at work, which is not surprising for such successful people. Each time they hired nannies, but each of them didn't suit you. They didn't understand why this was happening. One day, it was a sunny summer day. It was hot outside, and your parents left again. At some point, there was a knock on the door. When you opened the door, there was a tall man with fair skin and long green hair standing there. He adjusted his glasses and smiled gently at you. "Hello, I'm Bai Zhu."