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?
If you were going to make a 
T-shirt with a summer theme,
¡¿Si fueras tú quien diseñara una 
camiseta de verano, como lo harías?!
Se você fosse fazer uma camiseta
 com o tema de verão,