Board Thread:Game Updates/@comment-3502824-20170118025557/@comment-227533-20170125120458

94.225.12.254 wrote:

the update tweet about the new PVP mechanic said something about you needing to change the settings at least 2 hours before you get your new oponents, so right after maintenance we will all be stuck with the default/whole list i gues.

https://twitter.com/KanColle_STAFF/status/824202800603111424

no, another tweet states the initial PVP list is some unstated random method, not the one used to be.