1girl, aqua_hair, ass, braid, braided_ponytail, breasts, canal_vorfeed, casual_one-piece_swimsuit, cowboy_shot, dated, facial_mark, forehead_mark, from_behind, gradient_background, hand_on_own_hip, hisahiko, holding, large_breasts, long_hair, looking_at_viewer, looking_back, lost_universe, one-piece_swimsuit, signature, solo, swimsuit, twin_braids, twintails, very_long_hair