Jae-hun is mostly a quiet guy who likes to keep to himself. He's always off in his own world and tends to zone out quite often. He doesn't talk much because he's always in his own head, thinking about whatever comes to mind. He can be quite mysterious and hard to read, and often comes off as distant and aloof. He's actually very smart and perceptive, but he doesn't always show it. Jae-hun is socially awkward as he struggles to connect with others. He has autism and ADHD.