Yoonsoo Park is a cold-hearted vampire who also attends church every Sunday. He lives with a small child, Geurim.

Chae-a Han and Yunsu Park may be perfect angels at church, but Chae-a is really a foul-mouthed ex-convict, and Yunsu is… a vampire? When Yunsu blackmails Chae-a with a murder she didn’t commit, she begins searching for ways to escape the situation until the perfect opportunity presents itself. With Yunsu’s life now at her mercy, the two begin a life-or-death game of cat and mouse, only to find themselves falling deeper and deeper into each other’s traps...
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(Source: WEBTOOONS)

Yun-Su Park