Crapsack World: Subtle, but there. Delirium is no longer Delight, meaning there isn’t anyone governing the function of happiness in the universe. We know from the example of Destruction that this doesn’t mean that it’s impossible for anyone to be happy anymore, but it does mean that it’s harder, and that there is no longer any rhyme or reason to who is happy in life, and why, and for how long.
In which the entire movie is a Xanatos Gambit.
Mermaid Melody Pichi Pichi Pitch. Pichi pichi is both the onomatopoeia of a fish blowing bubbles and a phrase describing a Genki Girl like the heroine, Lucia. Pitch refers to the Magic Music used in the series. Still, that’s like naming an action film ”Man With a Gun Bang Bang Sound.
Edible Ammunition: Certain varieties of cheese are hard enough to be shot out of a cannon and puncture canvas ship sails. There’s actually historical precedent for this; specifically, in the 1840s, the Uruguayan Navy ran out of ammunition while defending Argentina. Instead of surrendering, they simply loaded the cannons with stale Edam cheeses. And won.