Rule 34 Dev - 1girl :o arms_at_sides blush bottle bouncing_breasts breasts buruma closed_mouth drinking closed_eyes gym_shirt gym_uniform heavy_breathing higanbana_no_saku_yoru_ni jump_rope jumping kusunoki_midori long_hair long_sleeves looking_at_viewer medium_breasts monochrome multiple_views name_tag over-kneehighs parted_lips profile sakurazawa_izumi sepia shirt shoes simple_background sitting straddling sweat thighhighs twintails upright_straddle vaulting_horse water_bottle wavy_hair white_background|8804169270