Rule 34 Dev - 1girl 2023 20s arms_behind_head bare_hips bare_legs bare_shoulders blue_background blush breasts brown_eyes brown_hair collarbone competition_swimsuit gluteal_fold highres looking_at_viewer matching_hair/eyes misaka_mikoto nashdnash2007 one-piece_swimsuit school_swimsuit short_hair small_breasts smile solo standing swimsuit thick_thighs thighs toaru_kagaku_no_railgun toaru_majutsu_no_index tokiwadai_school_swimsuit water wet|20486054277