Thus Spoke Kishibe Rohan S01 E06 #6 Mutsu-Kabe Hill

Rohan has gone bankrupt buying a forest with a Yokai legend he wants to investigate. When he and Kyoka arrive, the heiress of the village's leading family, Osato Naoko, seems to be hiding something. What is Naoko's dark secret and the truth behind the legend of Mutsu-kabe Hill...?