Quick Travel: Mu Qi Yuan Ning

[Quick travel + two female protagonists, they are devoted to each other, they are both full-level bosses, the male is just a tool] On Double Ninth Festival, when the yin energy is too strong, the ghosts and monsters that remain in the human world and the underworld are ready to move. Ning Muqi and Chen Jingqiu left Penglai and came to the human world to guard. ........ Then the two met the system by chance and began an endless journey of retirement care in various worlds.