1girl, ahoge, bare_arms, bare_shoulders, blue_skirt, bra, breasts, brown_eyes, eyes_visible_through_hair, gradient_background, hair_between_eyes, hair_ribbon, hiroki_(yyqw7151), long_hair, looking_at_viewer, low-tied_long_hair, no_shirt, onii-chan_wa_oshimai!, oyama_mahiro, pink_background, pink_hair, pleated_skirt, red_ribbon, ribbon, simple_background, skirt, small_breasts, solo, suspender_skirt, suspenders, suspenders_pull, training_bra, underwear, undressing, yellow_bra