The main character of PIGPEN. He washes ashore an unknown island with no memories of how he got there or who he is.

Spoiler

In the turning point of the story, it is revealed that Jin-Hyeok is actually a wanted serial-killer. He then begins to try and murder each member of the family on the island.

Spoiler

It is revealed at the end that the setting of PIGPEN is actually Jin-Hyeok's own mind, and that the character and plot up to that point was created by his own subconscious.