The Scholar Who Walks the Night (The Scholar Walking at Night, Bameul Geotneun Sunbi, Scholar Who Walks the Night) is South Korea drama premiere on Jul 8, 2015 on MBC. Cast members: Lee Joon Gi, Shim Chang Min, Lee Yoo Bi, Kim So Eun, Lee Soo Hyuk...
In Joseon Dynasty, immaculately dressed in scholarly robes, the young nobleman Kim Sung Ryeol lives as a vampire to keep his promise to his friends. When Sung Ryeol still was a human, he found out about the vampire Gwi who sits above the King deciding the next royal line and has resurrected as a vampire trying to fight against Gwi. And now, he is living as a guardian vampire fighting against the evil vampire without losing his human nature.
~~ Adapted from the manhwa series by Jo Joo Hee and Han Seung Hee.