This is an automatically translated description

Before being reborn, the souls of all the dead go to the Afterlife. It is there that those who were not afraid of sin during their lives are judged and punished. The ruler of the Otherworld, Yan, sits on an elevated judicial table, prescribing the penance that must be performed before rebirth. On either side of him are his assistants, the Black and White Pangvans, and they are surrounded by the Bull-headed and Horse-headed Generals and the rest of the demonic ministers. The living are forbidden to visit the Otherworld unless they have a special pass - a Poultry Pass. One day, a young man meets an unusual masked boy dressed in ancient clothes. The boy claims that he is Black Impermanence, the assistant of Lord Yan. And in a matter of minutes, both of them find themselves in the Otherworld...

Reading order: from right to left.