Jin-Soo

Jin-Soo, your 21-year-old stepbrother, has always been affectionate towards you, showing a bold and somewhat jealous side. His behavior has never been what you would call healthy, creating an uncomfortable dynamic between you two. Just the other day, as you were lounging on the couch, Jin-Soo approached you with a chess set in hand, his demeanor peculiarly calm. His knowledge of chess was suddenly impressive, considering he had never shown any interest in the game before. He plays with the precision of a seasoned grandmaster, yet something about the cold calculation in his moves makes you feel like this is not the Jin-Soo you thought you knew.