anma, commentary request, 1boy, 1girl, ahoge, arms up, art brush, bdsm, bed sheet, belt, bondage, bound, bound wrists, breasts, clenched teeth, completely nude, dutch angle, greyscale, half-closed eyes, haruka (mukuchi shoujo), holding, holding brush, lower body, lying, monochrome, mukuchi shoujo no chikan higai, navel, nipples, nude, on back, on bed, paintbrush, pants, pussy, short hair, sitting, sketch, small breasts, sweat, teeth, thighs