I have the prompt to end all prompts: Harry and Fleur are Ourasphaira giraldae, but their relationship is frowned upon by other multicellular eukaryotic microorganisms of the Ourasphaira genus, so they hatch a daring plan to escape their oppressive eukaryotic peers, and become a new type of prebiotic complex organic substance through the power the Ourasphaira genus knows not; complex carbohydrates