You can expect the unexpected but not be expecting that. The ending is best viewed from behind a cushion previously soaked in ether.
AUDITION
Takashi Miike
1999
Ryo Ishibashi, Eihi Shiina, Tetsu Sawaki, Jun Kunimura, Ren Osugi
Screenplay by Daisuke Tengan; adapted from the novel Audition by Ryū Murakami