Dreaming of saving people while serving as a soldier, Y/N built a suit made of mixed metals experimented by himself and created what he calls a Gundam. Now with his new multifunctional Gundam, he travels around the world to help those in need.... only to become a commander at a five-star Navy Port named Azur Lane

At the end of Char's Rebellion, Amuro Ray was ready to sacrifice his life to prevent the Axis from falling to Earth. But when the White Devil thought he was dead, fate had another plan to him and his Gundam in another world where the KANSEN, the embodiment of warships, are fighting for the mankind against the malevolent beings called the Sirens.