1girl alternate_headwear bandana bangs bare_shoulders blue_bandana blue_shirt blue_shorts brown_eyes brown_hair closed_mouth commentary girls_und_panzer highres kayabakoro light_blush long_hair long_sleeves looking_at_viewer mika_(girls_und_panzer) off-shoulder_shirt off_shoulder shirt short_shorts shorts simple_background sitting sleepwear sleeves_past_wrists smile solo white_background