Ai no borei (1978)
A married woman and her lover murder her husband and dump his body into a well After a while, his ghost comes to haunt them while the local gossip grows stronger
Death at an Old Mansion (1976)
When a woman and her bridegroom are found dead in a double suicide the day after their wedding, it is up to the detective to figure out what could possibly have motivated them Carefully and systematically, he pieces together the inn