1girl, armpits, ass, breasts, brown_hair, closed_eyes, dumbbell, exercise, exhausted, flat_ass, floor, grey_sports_bra, hair_between_eyes, large_breasts, long_hair, lying, messy_hair, on_side, original, partially_visible_vulva, piyosuke_tmg, solo, sports_bra, stain, stained_clothes, steam, sweat, sweat_stain, sweaty_clothes, underwear, underwear_only, very_sweaty, weights, wet, wet_clothes, wooden_floor