oku hiroya, katou masaru, kishimoto kei, kurono kei, gantz, absurdres, artbook, highres, non-web source, official art, scan, 1girl, 2boys, black bodysuit, bodysuit, brown eyes, finger on trigger, gantz suit, gun, hair between eyes, holding, holding gun, holding weapon, lips, looking at viewer, medium hair, multiple boys, parted lips, shaded face, short hair, simple background, skin tight, upper body, weapon, x-gun