original
yuki18r
1boy, 1girl, androgynous, barefoot, bdsm, bed, blush, bondage, bound, bound wrists, brother and sister, brown hair, bulge, closed eyes, crossdressing, erection, erection under clothes, flat chest, foreshortening, green eyes, hands, hetero, loli, long hair, lying, navel, nightshirt, nipples, otoko no ko, panties, penis, penis in panties, see-through, short hair, shota, siblings, sleeping, sweat, twintails, underwear
bad id, bad pixiv id, commentary, highres