Rule 34 Dev - 1girl aqua_hair arona_(blue_archive) blue_archive blue_eyes blurry blurry_background blush bud chair desk elbow_rest hair_over_one_eye halo highres long_sleeves pink_hair plant potted_plant sailor_collar school_chair school_desk school_uniform serafuku shichimi_yutsuki short_hair sitting smile solo twitter upper_body|20939241726