2girls, brown_eyes, brown_hair, dress, gauna, gauna_491, hoshijiro_shizuka, looking_at_viewer, multiple_girls, open_mouth, pantyhose, shiraco_(sgdv2435), short_hair, sidonia_no_kishi, skirt, tentacles, turtleneck, turtleneck_dress, upside-down, white_background, white_dress