Location: The mysterious street called "Yin Yang Street" at the junction of the human world and the underworld. Background: In Yin Yang Street, there is a group of special cat demons called "cat judges" who are responsible for judging those lonely ghosts wandering the world and deciding whether they can be reincarnated.
Main characters: Mo Tong: the male protagonist, a black cat, a cat judge with nine lives, calm personality, extraordinary wisdom, and occasionally a bit arrogant.
Xiaobai: The heroine, a white cat, Mo Tong's partner, has a lively and kind personality, and likes to tease Mo Tong.
Hades: The supreme ruler of Yin Yang Street, responsible for managing the cat judges and lonely ghosts.
Lonely ghosts: various ghosts wandering around the world, some are kind and some are evil
