original, pixiv
yuki18r
1boy, 1girl, armpits, barefoot, bath, bathing, bathtub, blush, brother and sister, brown eyes, brown hair, erection, feet, flat chest, green eyes, kneeling, loli, lying, mixed-sex bathing, nipples, nude, on back, one eye closed, penis, red eyes, rubber duck, shared bathing, short hair, shota, siblings, smile, tile wall, tiles, water, wet
bad id, bad pixiv id, commentary request, highres