2girls, ascot, bat wings, biting, blonde hair, bow, brooch, collared shirt, crystal, fang, frilled shirt collar, frills, hand on another's chin, hat, hat bow, incest, jewelry, light purple hair, lip biting, looking at another, mob cap, moon, multiple girls, one side up, pink headwear, pink shirt, pink skirt, puffy short sleeves, puffy sleeves, red ascot, red bow, red eyes, red moon, red vest, shirt, short hair, short sleeves, siblings, side ponytail, sisters, skirt, slit pupils, tongue, tongue out, vampire, vest, white headwear, white shirt, wings, yuri