Tsubaki's hobby is making original T-shirt designs, but when his fellow Student Council members proclaim them "lame", he goes to his twin brother Bossun for a shot of creative advice. Then, Bossun's love for a robot anime leads him to an otaku meet-up. Will he be able to fit in?
While "Code A" has superb combat gear 
fight scenes, it tries instilling in us,
Code A tiene escenas de combate 
incomparablemente geniales,
Embora o "Code A" tenha incríveis 
cenas de luta, ele ainda apela a nós