Lin Yue, an ordinary player who loves the RPG game "Phantom Realm", accidentally traveled to the game world due to a system update and became the final boss, "The Fallen Demon Lord". In his new identity, he found that he not only had to face challenges from players, but also dealt with the settings and restrictions of the game world. In order to change his destiny, Lin Yue embarked on a counterattack journey, starting from his identity as BOSS, trying to break the rules of the game, explore free will, and uncover the secrets hidden behind the game.
