Sister Watermelon is the host of 7k7k children's game video program, and the female anchor in well-known children's game video programs such as Locke Kingdom, Sail and Ola Star. Because she loves children's games and likes to deal with friends of small players, she shuttles through several games, bringing joy to children and solving many game problems. The children are familiar with her. It is said that she likes watermelon very much, so she was named Sister Watermelon.