Lake of Dracula Movie (1971)

A young girl named Akiko walks loses her dog when walking along a beach. She follows the dog to a European mansion, where an old man stares at her as she chases after the dog inside. Akiko finds herself in front of a dead woman at a piano and then meets the vampire (Mori Kishida). 18 years later, Akiko (Midori Fujita) is living near a lake, still haunted by what has happened to her, which she believes was a dream. Akiko is friends with a boat operator Kusaku, who had received a strange package, which turns out to be a white coffin. Kusaku complains to the shipping agent and returns to find the coffin empty and is then attacked by the same vampire Akiko saw years earlier.