Edit: Oh well, going by the next strips, it is indeed Kongou. Yep, pixiv confirmed it.
Updated
Nagatsuki, you look tired.This is only medium damage!
Return me to the front line!Let me fight to the very end!!You should get some rest.I'm the secretary ship. There's still a lot of work left to do.This is nothing.Those coming back from expedition, don't forget to resupply.Drag that blockhead to the dock right now.