"By being handsome I managed to pull off the school custom, you have to be handsome otherwise you will look like a Korean idol"
The **** this means
Shade ??
You misread what he was saying. He was saying that his role was pretty much to look as handsome as a Korean idol. He said simply wearing a uniform would just be that, wearing a uniform. But you have to be somewhat handsome facial-wise if you want to come out looking like a Korean idol like he did