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I am a little devil, one devil below and above all devils! You want me to go to school in the human world? I am the future king of the demon clan... Wait a minute! What did you say? Am I not? How is that possible! What? ! You said it was my dead brother? ?

One plus one equals ten, it belongs to our home!

In the universe, where energy gathers, a Yuan Fei is born. The Yuan Fei was born, and soon after, the Big Bang occurred. After the explosion, the original Yuan Fei turned into two Yuan Fei, Yin and Yang. After the twins of Yin and Yang were born, they created everything in the world...