The Watcher in the Attic 1976

Directed by Noboru Tanaka

A shiftless resident in a boarding house spends his days crawling in the attic and spying on the renters below. One day he spies an elegant lady enter a room where a clown awaited her and watched as he pleasured her. But she spotted him watching and it aroused her more. Thus begins a story of two people who find they share similar desires and deadly passions.