Haha the uncle is a bastard, isn't he? Guy openly flirted with Momji while she is playing into it on ch 3, probably would go for her without a second though. Also intimidated Mayu for the drinking session.
That's why karma in Asia is very scary. These people who commited atrocities will rot in cycles of hell for a long time, the victims ended up vengeful spirits as they cannot forget their sufferings and will make sure the descendents pay the weight of the ancestors sins.