A tall (6’1”) man who appears to be in his mid-thirties, with ragged burn scars starting at his right cheek, down his neck, stretching onto his upper arm, and whole back. While Sang-Wook seems to value kindness and generosity, he operates from the experience that the world is an unjust, selfish place, and finds immense satisfaction in removing particularly evil people from it.A very observant, contemplative man, often watching people and walking the stairwells and of Green home.