So... I looked up who invented the modern paper airplane and it turned out to be Jack Northrop in the early 1930s.
The fact that it's a flying wing design should have tipped me off...
Now that's our great-senpai. How bold...Ehh!? J-Just who might you be...?This!!Ehh!?Ah... A paper airplane...Heeey, Zuikaku! I'm also able to launch airplanes now!Mikasa's aviation squadron, launch!
Just kiddin'Ohh! It flies so smoothly!Ain't that right. Ain't that right! That white-haired Enter...something has taught me this!You! Are you an aircraft carrier!? You are, right!? There's something I want you to teach me!