At first I thought to call this piece (MPAOSCE)
Most Predictable And Overused Splatoon Crossover Ever

But then i changed my mind since the illustration speak for itself.
(at least for those who know Ika musume).
-----
©Artwork / Draw-till-Death
©Splatoon / Nintendo
©Shinryaku! Ika Musume / Masahiro Anbe