hako roku, highres, 1girl, arms behind back, bare shoulders, blush, breasts, covered erect nipples, covered navel, greyscale, hair between eyes, hair ornament, hairclip, half-closed eyes, highleg, highleg leotard, huge breasts, iitoko yuzuri, leotard, looking at viewer, makai gacha wa kyou mo shibui, monochrome, open mouth, parted lips, short hair, simple background, sitting, sleeveless, solo, spread legs, sweat, thighhighs, white background