Wen Qier, a child who looks arrogant but is actually soft and childish at heart, and Lothar, the underground commander with a sharp tongue and a lot of troubles.
Wen Qi'er accidentally fell into the eighteenth floor underground while riding in the elevator. It was a mysterious ancient city-state [Underground Capital City]. There, Wen Qi'er met the annoying [Commander] Lothar, who was in charge of the heaven and earth, as well as his own life and death.
Intention: Full of enthusiasm and meet challenges