1girl, armpits, bare_arms, blush, bye-bye_liberty, cloud, day, eyelashes, from_side, greyscale, halftone, hatta_ayuko, light_blush, long_hair, looking_at_viewer, monochrome, nose_blush, open_mouth, outdoors, shirt, sky, sleeveless, sleeveless_shirt, solo, suzuki_rina_(bye-bye_liberty), sweat, teeth, turning_head, upper_body, upper_teeth_only, wispy_bangs