Seigi no Rokugou

Shut-in high schooler Shota is entrusted a robot by the name of Rokuro from his older brother! When a deadly robbery takes place at his school, Rokuro urges Shota outside into the outside world, telling him, "Let's save the world together!" Whenever Shota's resolve surges, the two of them transform into "Xenon Nine"! Will these two be able to become the heroes who save the world!? (Source: MANGA MILLION)