I found that the explanation was in Chinese. I'm very sorry, here is the English version:
Welcome to our game, which is a two player confrontation game. You will play the role of a awakened sea god and a tourist holding a party at the beach with your friends, trying to devour each other's territory. The one who occupies more territory will win.
Operation method:
1P - Move up and down W and S, select skills 1 and 2, release Q, E can stop the disc device;
2P - Move up and down with ↑ and ↓, select skills on keyboards 1 and 2, release keyboards 0, and use keyboards+to stop the disc device.