Rule34.pub - hajika, honkai (series), honkai: star rail, sparkle (honkai: star rail), arms behind back, bell, bent over, black hair, bound, bound arms, breasts, choker, closed eyes, collarbone, female, fox mask, grabbing another's hair, hair ornament, jingle bell, long hair, mask, mask on head, medium breasts, navel, neck bell, nipples, nude, open mouth, sex, sex from behind, stomach bulge, straight, thighs, twintails