Serious but absurd, clever but arrogant. Murong Xiaotian is a well-known figure in the world and is known as the smartest person on the planet. For his outstanding talent, he has few opponents in all aspects. In order to relieve his boredom, he would play chess with himself from time to time. He never believed that anyone could outwit him by half a step. Murong Xiaotian had never been attracted to anyone, until he met the fairy Yuji who was smarter than him. After losing to Yuji for ten consecutive games, Murong Xiaotian made up his mind to marry Yuji. He worked hard and played tricks, and finally got Yuji to agree and take him on the journey with him.