Azur lane: the project Battlecarrier of royal that has been abandoned

HMS King Aston is a project super battlecarrier and a first and last class of it

the build was completed and she just been tested but something happens that made it abandoned and leave everything behind and hide her

she was still inexperienced but know how to do and attack

lets see how she will do and act when she has the capability of destroying a siren fleet of her own

Or she is the only one in her class...?

note:i do not own azur lane except the oc and azur lane is own by yostar and manjuu and the fact that a time traveler give a F-15 and F-14 blueprint to a ww1 engineering so, in the story there will be F-15 and F-14 jet in it