The world is divided into six realms, the divine realm, the fairy realm, the human realm, the demon realm, the demon realm, and the underworld. The divine realm and the underworld are not allowed to interfere in mortal affairs. The demon realm is suppressed by the divine realm, and the underworld is controlled by the heart realm. Only humans and demons are left to confront each other. A hundred years later, the demon master fell, and the demon clan was in civil strife. Various races competed for the position of the demon master. The human race took advantage of the situation, and the demon clan declined...
Purpose: As long as the feelings are sincere enough, race is not an issue