2girls, o, ahoge, belt, black_skirt, black_socks, blush, bolo_tie, borrowed_clothes, brown_eyes, cosplay, hair_between_eyes, heart, kneehighs, lab_coat, long_hair, long_sleeves, looking_at_viewer, multiple_girls, onii-chan_wa_oshimai!, oversized_clothes, oyama_mahiro, oyama_mihari, oyama_mihari_(cosplay), pink_hair, pleated_skirt, red_shirt, sagamiyukiii, shirt, siblings, simple_background, sisters, skirt, sleeves_past_fingers, sleeves_past_wrists, socks, solo_focus, spoken_squiggle, squiggle, wing_collar, yellow_background