Arisu is confident, witty, reflexive, and incredibly responsive, Arisu is shown to have long-medium length, bluish-black/darkish blue/black hair that is extremely messy and spiky. He also has light neon violet/blue colored eyes. His skin is pale colored and he’s usually seen wearing his high school uniform (a white long-sleeved shirt with a red t-shirt inside and a blue-colored pants with a light soil colored belt with pale aquamarine sneakers).