Who's the ghost king in Weiqi Boys?

At that time, Fang Sheng wanted to learn chess from the old chess king Ghost King. The old chess ghost king thought that he was not qualified and refused. As a result, the daughter of the old chess king and Fang Sheng left and married him, and a hundred flowers blossomed. Fang Sheng vowed to be Daming's chess player. Therefore, Fang Sheng has a complicated relationship with the old chess saint Ghost King. He also wanted to see what the apprentice of the old chess ghost king was like, and he was surprised …