I do not own RWBY or Pokémon
Prologue
Once upon a time in the Kanto region lived Bertha and Dawson Descourdes who are vampire bat Faunus . Bertha had given birth to twin boys Darian and Dyson. Darian and Dyson had just turned 10 and were going to pick between Bulbasaur , Charmander and Squirtle. When they had arrived at Professor Oak's laboratory, Darian and Dyson were introduced to Ash Ketchum, Gary Oak and Serena Yvonne. They were about to grab one of the pokeballs containing one of the starter Pokémon so they can start their journey when a portal opened underneath their feet and teleported all 5 ten year old's to the Remnant region. Ash landed on Menagerie in the Belladonna's house, Gary landed in Mistral inside Cinder's orphanage, Serena found herself on Patch in Ruby and Yang's house, Darion landed in Atlas inside the Schnee manor and Dyson found himself inside the Vanille household on Vale.