Icing

"Hyeok-su’s never given that much thought into this own future. He never concentrates in class, he’s been kicked out of the basketball team, his father’s always thinking up a wild investment plan—he knows he won’t amount to much, so why bother? After he finds out that participating in viral brawls is a better investment than studying, he dedicates his entire attention to that “sport.”
However, one day he discovers another sport that’ll benefit him in the long run. Ice hockey. How difficult could it be? It’s just swinging some sticks around on ice, isn’t it?

(Source: Lezhin X)