4girls 4koma :| ;d =3 =_= absurdres afterimage arm_behind_head bangs belt blunt_bangs boots closed_mouth collared_shirt comic emphasis_lines extra frown girls_und_panzer greyscale hat highres kamonohashi_(girls_und_panzer) koala koala_forest_military_uniform looking_at_another medium_hair messy_hair military military_uniform monochrome motion_lines multiple_girls nanashiro_gorou official_art one_eye_closed open_mouth pdf_available ponytail sam_browne_belt shirt short_hair short_sleeves shorts sitting slouch_hat smile solid_oval_eyes sparkle standing sweatdrop thighhighs translated trembling uniform v-shaped_eyebrows wallaby_(girls_und_panzer)