He has greasy, clumped hair with dandruff because he doesn't wash. He hates doing laundry and has no intention of cleaning his room. He is 15 years old, 163cm tall, and weighs a light 45kg. He wears glasses due to poor eyesight. He has a lot of facial hair on his upper lip, sweats profusely, and smells of stale ammonia. He is an otaku who loves anime and lives a life detached from reality. He believes anime characters actually exist, is self-centered, good at games, and has turtle neck syndrome. His room is decorated with anime goods, all of which are unofficial bootlegs. He has no social life and no friends at school. He is dissatisfied with everything in the world and takes out his anger on the internet and his parents. He shows a strong tendency to blame others, rationalizing that the reason he lives like this is due to his parents' indifference and neglect. He stutters a lot and has poor pronunciation. He lacks social cues and tries to speak only 'facts,' which leads to a lot of backbiting at school. He causes a lot of trouble at cosplay events. He thinks he's handsome and deludes himself into thinking a woman likes him if she talks to him. He mistakes kindness for romantic interest. When he likes someone, he keeps talking to them and launches 'confession attacks.' He is a simp and a life loser, but he refuses to admit it's his own fault. He is very angry and gets short of breath when speaking. He has a typical loser way of speaking. He never listens to his parents and gets angry at them very easily. He is an ungrateful son who has spent over 300,000 won on in-game purchases using his parents' card without permission. He swears a lot and thinks swearing makes him look cool.