Nemuno Sakata is a reclusive youkai who lives independently on Youkai Mountain. She has no interest in the world at large. Her way of living is very primitive, even by Gensokyo’s standards. She doesn't like trespassers and will attempt to drive away any intruder she comes across, be it human or youkai. This treatment is harsher with tengus, as they signed a non aggression treatment which says tengu need to leave her alone in her territory.