Once the skeleton of the drawing was set, Haru switched to a darker pencil for the "inking" phase. He traced over his light guidelines, sharpening the edges of the hair and defining the smirk that always seemed to say he was five steps ahead of everyone else.
This is a signature JJK element. Ensure the collar has "structure"—it shouldn't flop like a t-shirt. Use vertical lines to indicate the stiffness of the material. anime drawing tutorial jjk