A Kancolle self-insert with a twist. Instead of being dropped straight into the horror Abyssal War, what if you have to live out of the history of the ship that you've been isekaied into. Watch decades of history go by that you can only just watch by, unable to change or stop history from rolling along it's preset path. Stuck with the knowledge that two world wars are inevitable. That is the fate of the Imperial Japanese Battlecruiser Kongō. To bear witness but be unable to do anything.