The King's Avatar novel didn't explicitly state who Happy's mole was. In the novel, Team Happy's outstanding performance in the Challenger League had aroused the suspicions of other teams. Some people suspected that there was a mole in Team Happy, who had leaked their tactics and information to other teams. However, even at the end of the novel, it didn't point out who Happy's mole was. While waiting for the anime, you can also click on the link below to read the classic original work of The King's Avatar!
Chapter 179, "I Want Plastic Film", is the clearest early answer because it turns Shang Shaojing's situation into a concrete plot event. The chapter gives readers a real answer by opening on Everyone originally had no expectations for the gifts that Su Yinwan...
Chapter 175, "He Tampered with the Food", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event.
Chapter 387, "Hello everyone, this is my disciple", is the clearest early answer because a shaky connection becomes usable in the plot. It opens with Liu Suqing V: "Even if we meet, I wouldn't recognize, faces covered...
Chapter 196, "I am the one with the most potential!", is the clearest early answer because it turns Wen Jiaojiao's situation into a concrete plot event.
Chapter 22, "Number 7203", is the clearest early answer because it turns Xiang Hao's situation into a concrete plot event. Early on, Hearing this, Su Yinwan looked at Shang Shaojing with a face full of.... By the end, Jiang Li's righteousness temporarily shut Jiang Yan up, but after a....
Chapter 101, "Hello, My Name is Zhao Daniu", is the clearest early answer because it turns Zhao Daniu Jiang's situation into a concrete plot event. The chapter gives readers a real answer by opening on Jiang Li walked over to the slope where the two had fallen down.
Chapter 13, "Killing the Chicken to Scare the Monkey", is the clearest early answer because the violence around Jiang Li becomes final instead of hypothetical. Early on, Sensing that something was off with Jiang Yan, Jiang Yan dismissed....
Chapter 254, "Madwoman! She is definitely a madwoman!", is the clearest early answer because it turns Shi Xu's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Just when everyone thought that Jiang Yan wouldn't last long and...
Chapter 80, "Princess Wen, Your Lunch is Escaping!", is the clearest early answer because it turns Wen Jiaojiao's situation into a concrete plot event.
Chapter 298, "Turning the World Upside Down", is the clearest early answer because it turns Sister's situation into a concrete plot event. It opens with Grandfather, I, I can testify, everything Sister said is true." Right...