touhou
flandre scarlet, remilia scarlet
chikado
2girls, arms behind back, ass, auction, back, barefoot, bdsm, belt, blonde hair, blue hair, blush, bondage, bound, bound together, bound wings, bound wrists, chain, collar, cross, cuffs-to-collar, fang, flat chest, hat, multiple girls, naked belt, nude, open mouth, petite, red collar, siblings, silver trim, sisters, sitting, tears, torn wings, wariza, wings
commentary request