human world; world of man
Used in Buddhist cosmology and mythological contexts to refer to the realm of humans, often contrasted with realms of gods, demons, or hungry ghosts.
In Buddhism, the human world is considered one of the six realms.
The protagonist of the story travels between the human world and the demon world.
Compound of 人 (jin, 'human') and 界 (kai, 'world' or 'realm'). The exact historical derivation is uncertain, but the term is conventionally associated with Buddhist cosmology.