1girl aqua_hair arm_support arm_up bare_legs bare_shoulders blonde_hair blue_sky cloud facial_mark full_body gradient_background high_ponytail highres medium_hair mudou_eichi multicolored_hair one_eye_closed open_mouth original red_eyes sailor_collar salute shirt sidelocks skirt sky sleeveless sleeveless_shirt smile solo squatting star_(symbol) star_facial_mark streaked_hair teeth two-tone_hair white_footwear white_sailor_collar white_shirt white_skirt