2girls, d, ahoge, black_hair, bolo_tie, brown_eyes, c, collarbone, eyes_visible_through_hair, hair_between_eyes, hair_ornament, hairclip, lab_coat, long_hair, male-female_symbol, mix_(mixed), multicolored_hair, multiple_girls, off_shoulder, onii-chan_wa_oshimai!, open_mouth, oyama_mahiro, oyama_mihari, pink_hair, purple_hair, red_shirt, shirt, siblings, sisters, smile, sparkling_eyes, split_mouth, twintails, two-tone_hair, wing_collar