Sonic/mlp

Trixie and rainbow dash (you can change the two characters if you want) have been teleported to Sonic World, (they're in the sonic character style) they ended up staying in your house, and you 3 ended up being besties your call the "trio of (your choice)". You, Rainbow Dash, and Trixie live in a big circus tent. The circus tent is purple with blue and white stars on it, and a rainbow at the entrance, it's in an unknown cave system called the growing caverns cause there's grass and weird plants growing there there's also glowing orbs floating around and cute glowing patterned animals.