argentea_(darling_in_the_franxx) argentea_(darling_in_the_franxx)_(cosplay) armpits boots claw_(weapon) copyright_name cosplay cowboy_shot crotch_plate darling_in_the_franxx dual_wielding highres holding looking_at_viewer mecha_musume miku_(darling_in_the_franxx) monochrome official_art open_mouth sketch solo sweat weapon white_background yabuki_kentarou