(It seems that) She's not quite ready to take (drink) it black.
People who have followed this series may remember that little KC Kaga isn't the first shipgirl who Taisa has had asking Bismarck for black coffee only to find out how bitter it is. That would be Amagi-chan in post #5556416 (later revisited in post #6271145, which also incorporates post #5079833).
What's up with the flag? The union is next to flag pole in some shots, but away from it in others. Did they not bother flipping the texture on the reverse side or something?
