A new onesheet poster is now live for Thirst, the upcoming vampire thriller movie from Oldboy director Park Chan-wook, and you can see it after the jump.

The movie also has a new Web site, a Twitter page and a red-band trailer.

Here's how Focus Features describes the movie:

Sang-hyun (played by top Korean star Song Kang-ho of The Host) is a priest who cherishes life; so much so that he selflessly volunteers for a secret vaccine development project meant to eradicate a deadly virus. But the virus takes the priest, and a blood transfusion is urgently ordered up for him. The blood he receives is infected, so Sang-hyun lives—but now exists as a vampire. Struggling with his newfound carnal desire for blood, Sang-hyun's faith is further strained when a childhood friend's wife, Tae-ju (Kim Ok-vin), comes to him asking for his help in escaping her life. Sang-hyun soon plunges into a world of sensual pleasures, finding himself on intimate terms with the Seven Deadly Sins.

Thirst opens in select U.S. theaters July 31. (Click on the poster images for a larger version.)