Inugami Family reference explanation plot:
- Nasty rich old man dies, his nasty family all want his money. The money is left to the granddaughter of the old man's guardian; the only way to get the money is for one of his 3 grandsons to marry the girl.
Dead bodies turn up, legendary detective Kindaichi Kousuke is called upon to solve the mystery.
https://japaneselit.net/2013/03/08/the-inugami-clan/
There's a scene were a dead body is found submerged in a lake, with the legs sticking up from the water's surface.
https://images-na.ssl-images-amazon.com/images/I/81gs6lUlIJL._SL1500_.jpg