Crossovers That Should Not Be 18: You'll have SO MANY CROSSOVERS! 400 CROSSOVERS!

[LilFluff]

There have been impressive, creative, and interesting stories told in which Louise Françoise Le Blanc de La Vallière summons alternative familiars... And then there are the universes in which the summoning spell decided it hated Louise...

As the smoke drifted away confusion overtook the students. "Zero's familiar is a giant pepper pot?"
Slowly a single eye stalk panned across the speakers.

With a thunderous roar the field was filled with a cloud of smoke. From within a squeaky voice spoke.
"--at are we going to do tonight, Brain? Brain?"

"A statue? Zero's familiar is a statue of a winged woman?"
...
"Was the statue posed like that a minute ago?"

The smoke cleared revealing something Louise and her classmates had never seen before.
"Did Louise summon a demon?"

[The world of Helkagenia has never before seen a costumed mutant. See the light novels by Noboru Yamaguchi.]

"What's that little yellow box? I've traveled to a fictional universe again?"
"Who is it talking to?"

Hmm... Or is that last one a cracky Should Be?
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Will the transhumanist future have catgirls? Does Japan still exist? Well, there is your answer.