ninomae gin, kohaku (dr. stone), shishiou tsukasa, dr. stone, highres, 1boy, 1girl, adam's apple, bare arms, bare shoulders, breasts, cleavage, closed mouth, dress, facepaint, facial mark, from side, full body, fur trim, greyscale, hat, hat on back, high ponytail, holding, holding knife, holding sword, holding weapon, knife, long hair, looking at viewer, male focus, medium breasts, monochrome, ponytail, profile, rope, rope around waist, rope belt, sandals, siblings, signature, simple background, sleeveless, smile, solo, spiked hair, standing, sword, upper body, wavy hair, weapon