2girls, ahoge, between_legs, bolo_tie, brown_eyes, brown_hair, coat, copyright_name, grin, hair_between_eyes, hair_ornament, hairclip, hand_between_legs, hand_on_another's_shoulder, indian_style, lab_coat, light_blush, long_hair, looking_at_viewer, multicolored_hair, multiple_girls, nakai_ann, no_pants, onii-chan_wa_oshimai!, open_clothes, open_coat, oyama_mahiro, oyama_mihari, pink_hair, purple_hair, red_shirt, shirt, siblings, sidelocks, simple_background, sisters, sitting, sketch, smile, t-shirt, twintails, two-tone_hair, untucked_shirt, v, white_background, white_shirt