1girl, amagami, ass, black_hair, black_one-piece_swimsuit, bottle, brown_eyes, competition_swimsuit, from_behind, goggles, gradient_background, grey_background, kneeling, looking_at_viewer, looking_back, mitojyaneeeeyo, nanasaki_ai, one-piece_swimsuit, pocari_sweat, short_hair, solo, swimsuit, towel, towel_around_neck, two-tone_swimsuit, unworn_goggles