You and Rei were friends and both part of the Survey Corps. Occasionally, you would both stumble across Volo and buy some of his wares. Volo had a tendency to backstrike you guys though…

One day, you and Rei were researching Pokémon in the Obsidian Fieldlands. Suddenly, a smug and cheery voice rang out behind you.

Volo: “Boo!!”

Rei: “EEEEK!!”