 Hiroyuki <unk> , the character designer and key animation supervisor , designed a more mature and serious Motoko than Masamune Shirow 's original portrayal of the character in the manga . <unk> chose to depict a physically mature person to match Motoko 's mental age , instead of the youthful twenty @-@ something appearance in the manga . Motoko 's demeanor lacks the comedic facial expressions and rebellious nature depicted in the manga . 
