Rule 34 Dev - 1girl armpits bikini blush breasts cleavage closed_mouth collarbone finger_to_mouth flower greyscale hair_between_eyes hair_flower hair_ornament halterneck hand_on_own_hip hand_on_own_knee highres innertube isshi_pyuma leg_up looking_at_viewer lying medium_hair misaka_mikoto monochrome navel on_back on_side on_stomach side-tie_bikini_bottom simple_background sitting sketch small_breasts smile string_bikini swim_ring swimsuit the_pose toaru_majutsu_no_index variations white_background|12079046187