Kantai Collection the first offensive and beyond: X Male Reader story

During the early stages of the war against the Abyssal's there was a major offensive with first generation of fleet ships. The first offensive was called Operation Oceanic Freedom. The attack was lead by the first generation American ships. It was a victory for the Allies against the Abyssal's but it came at a great cost. This is the story of a first generation ship continuing his fight years after the first offensive.