Identity: Lin'an Imperial College student. He was rescued by Zhang Shijie's soldiers during the Battle of Yashan and drifted to an island in the South China Sea.
·Character arc: from "the helpless scholar" to "the pioneer leader who uses the sea as his farm and his boats as his horses"
· Core Contradiction: Whether to be loyal to the political illusion of "waiting for Wang Shi's return from the north" or to accept the realistic choice of "from now on I will be the emperor and build a country on the sea"
