It's a snide remark in that "ass" is more correct than "asses" because it's one ass four times.
I've been cumming nonstop for a while...Fuu... you sure came a lot, didn't you!Oh-! Oh-! I'm sorry...Admirals! Let's have more wonderful parties!
Ah! Did you just cum inside-poi?Ahn-! Are you gonna do it again~? Fine by me!Thank you for your patronage!Amazing! Being cummed inside feels so good!