a fictional giant monster, characterized by its overwhelming "cute" aesthetics alongside its cataclysmic destructive potential
JSDF Trooper: Sir, it's a hundred foot tall Hello Kitty! It just destroyed the Ginza with nuclear happiness!
JSDF Officer: So, the kawaiiju has returned...
JSDF Officer: So, the kawaiiju has returned...
by RavingArmy November 20, 2020