Hero - Movie (Movie - 2010)

Source

Sim-dan gets bullied everyday in his school, becomes a vampire after an unexpected accident. After accepting this change, he saves a blind person who fell down on a subway track, thanks to his power. His story goes on air on TV news all over the nation, and many people start to call him a ‘Hero’. On the other hand, Sim-dan’s friends start to wonder about his power and dark force, appearing after a long sleep. He is after the girl he loves and people around him.
--
An interesting new interpretation of vampire. Josun Dynasty, in the middle of the great persecution of Christians, there were people who moisten their throat with the deads’ blood. And time passes to 2010. A blacksheep of class is bitten by a girl vampire, and then he becomes to have a miraculous power…