In Kampo you play as a shaman whose goal is to help the villagers to keep the village alive.
To do this you will have at your disposal various herbs whose virtues you alone know, but beware! Your stocks are limited, so it's up to you to diagnose your patients in order to know whether or not care is necessary so that the population of your village doesn't disappear.
To help you in this mission you can call upon the favors of the spirits, only the shaman can contact them, but it is up to you to discern which ones are here to help you...