2girls, aqua_eyes, back-to-back, bare_shoulders, black_hair, brown_eyes, crescent_moon, cup, curled_horns, hairband, holding, holding_cup, horns, long_hair, moon, multiple_girls, night, night_sky, open_mouth, pink_eyes, pink_hair, pointy_ears, purple_hairband, purple_legwear, sitting, sky, star_(sky), tail