1girl black_hair blue_headwear brown_eyes commentary_request from_below girls_und_panzer gradient_background hat highres instrument kantele keizoku_school_uniform kneehighs knees_together_feet_apart long_hair mika_(girls_und_panzer) millipen_(medium) music playing_instrument pleated_skirt school_uniform signature sitting skirt smirk socks solo tesun_(g_noh) traditional_media tulip_hat watercolor_pencil_(medium)