1girl, aiming, aiming_at_viewer, bikini, black_bikini, breasts, brown_eyes, brown_hair, cleavage, contrapposto, electricity, electrokinesis, feet_out_of_frame, frilled_bikini, frills, hand_on_own_hip, medium_breasts, medium_hair, misaka_mikoto, navel, psychic, science_fiction, solo, swimsuit, tanaka_yutaka, toaru_kagaku_no_railgun, toaru_majutsu_no_index, water