1girl absurdres alternate_headwear arm_up armpits barefoot bikini blue_headwear blue_ribbon breasts brown_eyes brown_hair bt-42 caterpillar_tracks cleavage collarbone emblem floating_hair full_body girls_und_panzer girls_und_panzer_senshadou_daisakusen! ground_vehicle hair_between_eyes hat hat_ribbon highres keizoku_(emblem) long_hair looking_at_viewer mika_(girls_und_panzer) military military_vehicle motor_vehicle navel official_art ribbon school_uniform shiny_skin simple_background small_breasts smile solo standing sun_hat swimsuit tank white_background white_bikini white_headwear