This story is a sequel to Monster Hunter World: Monsters and Magic
Cadance and Shining search for their missing daughter, Flurry Heart, and Flash Sentry joins them to make sure the royal couple are safe. The trail leads them to Ponyville, where they find a crack in reality that ends up sucking the trio into it's magic and drops them into a brand new world. This world is filled with monsters, the Hunters who seek to maintain balance, and an ancient evil from the world that the trio came from, where they have to get used to their new bodies and how things are gone in this world. Here they must fight monsters, forge powerful weapons and armor, and uncover ancient secrets.
(MLP/Monster Hunter Crossover. Focuses on World: Iceborne, and then Wild)
(Part of the Demon War story series)
(Reading the prequel isn't required, but recommended)