2girls, adapted_costume, alternate_hairstyle, bird, black_hair, blush, boots, character_sheet, closed_eyes, color_guide, drawstring, emperor_penguin, eyebrows_visible_through_hair, from_behind, from_side, hair_over_one_eye, hand_on_another's_head, headphones, hood, hood_down, hoodie, japari_symbol, long_sleeves, multiple_girls, multiple_views, oversized_clothes, pantyhose, penguin, penguin_tail, pink_hair, purple_eyes, short_hair, sitting, sleeping, tail, thighhighs, turtleneck, twintails, wariza, wavy_mouth, white_hair, younger, zettai_ryouiki