re:zero kara hajimeru isekai seikatsu, sora no otoshimono, rem (re:zero), nymph (sora no otoshimono), simple background, blue background, 2girls, black legwear, black thighhighs, blue eyes, blue hair, breasts, female, hair ornament, hair over one eye, hair ribbon, headdress, kneeling, long hair, looking at viewer, medium breasts, multiple girls, naked thighhighs, nipples, nude, ribbon, shansan-nyan, short hair, small breasts, smile, thighhighs, tied hair, twintails, x hair ornament, crossover