1boy, barefoot, beach, bikini, black_bikini, black_hair, full_body, hair_ornament, hairclip, male_focus, night, night_sky, otoko_no_ko, outdoors, purple_eyes, see-through, see-through_shirt, shirt, short_hair, short_sleeves, sky, solo, standing, steins;gate, swimsuit, tetotepenson, urushibara_ruka, white_shirt