Inugamike no Ichizoku (2009)

A mystery visual novel by FromSoftware, starring the famous Japanese detective Kindaichi Kousuke. In 1940s Japan, the wealthy head of the Inugami Clan dies, setting off a chain of bizarre, gruesome murders. Detective Kindaichi must unravel the clan’s terrible secrets of forbidden liaisons, monstrous cruelty, and disguised identities to find the murderer.