3girls, backless_dress, backless_outfit, bare_arms, bare_legs, bare_shoulders, black_heart_(neptunia), blue_eyes, braid, breasts, cleavage, cup, dress, drink, drinking_glass, elbow_gloves, flower, frilled_dress, frills, glass, gloves, gown, hair_flower, hair_ornament, long_hair, looking_at_viewer, looking_to_the_side, medium_breasts, multiple_girls, neptune_(series), no_panties, pink_hair, purple_hair, purple_heart_(neptunia), purple_sister, rein_yukimatsu, ribbon, siblings, sideboob, sitting, symbol-shaped_pupils, twin_braids, very_long_hair, wine_glass