1girl, blush, breasts, closed_mouth, collarbone, cosplay, dated, girls_und_panzer, hand_on_own_hip, kuzuryuu_kennosuke, looking_at_viewer, navel, one_eye_closed, red_eyes, red_hair, rosehip_(girls_und_panzer), signature, simple_background, small_breasts, solo, sportswear, sweat, twitter_username, upper_body, volleyball_uniform, white_background, wiping_sweat