yonemura kouichirou, highres, novel illustration, official art, 1girl, 2boys, bare shoulders, belt, brown hair, brown jacket, brown shoes, cover, cover page, dai yagashira, dark background, desert eagle, dress, gun, handgun, hands on floor, hanging, holding, holding gun, holding weapon, huge weapon, israel, jacket, kneeling, limited palette, long sideburns, looking to the side, lower teeth only, multiple boys, novel cover, on floor, open mouth, outstretched arm, pale skin, red eyes, science fiction, shoes, sideburns, slip-on shoes, strap, teeth, treasure hunter yagashiradai file, v-shaped eyebrows, weapon, white dress, white hair, wrinkled fabric