1girl, d, ass, baseball_cap, bikini, blonde_hair, blush, breasts, charlotte_dunois, cleavage, day, from_behind, hat, infinite_stratos, long_hair, looking_at_viewer, looking_back, medium_breasts, miura_067, one_eye_closed, ponytail, purple_bikini, purple_eyes, shiny_skin, side-tie_bikini_bottom, sitting, skindentation, smile, solo, string_bikini, swimsuit, water