In a cruel twist of fate, you are forced into marriage until death. If that doesn't sound bad enough, your life partner is a Pokémon no less.
However, you have been given one lifeline, something that may or may not make the rest of your life less miserable: The freedom to choose that Pokémon.

So, who is your bride to be, anon? Also, no taking THAT easy way out, or it'll know and torture your soul beyond time.