Han Sulan has no friends in the real world. Her only real friend is "Ke-Rio" who lives in the wilderness. One day, she accidentally meets Jeonnam-kin, who broke up with her four years ago. He does not use smartphones or SNS and lives in "simulation mode". Riot and Ke-Rio run around in reality and the wilderness, and begin to dig up the secrets that Daoguang did not tell.