1girl, ass, ass_focus, black_wetsuit, blue_hair, bodysuit, brown_eyes, casual_one-piece_swimsuit, closed_mouth, cougar_(cougar1404), cowboy_shot, day, diving_suit, fiery_hair, from_behind, glowing_lines, looking_at_viewer, looking_back, ocean, official_alternate_costume, one-piece_swimsuit, outdoors, sena_(xenoblade), side_ponytail, smile, solo, swimsuit, thighs, v-shaped_eyebrows, water, wetsuit, xenoblade_chronicles_(series), xenoblade_chronicles_3