1girl :3 :d ahoge animal_ears bad_id bad_pixiv_id beach blue_one-piece_swimsuit cat_ears cat_tail cloud day fang flat_chest innertube jumping looking_at_viewer mao_(mizuki_kotora) mizuki_kotora old_school_swimsuit one-piece_swimsuit open_mouth original purple_hair school_swimsuit short_hair sky smile solo swimsuit tail thick_eyebrows yellow_eyes