Misuki and Riku get transported to the land of Equestria by Princess Celestia. She asks that they help the people of Ponyville from attacks by Heartless. To do so, the Princess tells them to find Twilight and her friends so they can use the Elements of Harmony to stop them. But as they try to stop the Heartless, a secret is learned, making the adventure more dangerous and severe.

When dark clouds gather over Equestria, it's up to Twilight Sparkle and her friends to explore other worlds, face tests of their virtue, and save everypony from darkness. 6/17 Revised Ch 1.

While Sora and friends are traveling to a new world, they manage to get sucked in by a Rainbow vortex! Now with his friends missing in action, can Sora make new friends with the Elements of Harmony and unravel something no pony would have known?

Kingdom Hearts characters hae an adventure with the My Little Ponies.

Sora, Donald, and Goofy travel to a world of Equestria after seeing the moon covered in darkness. After that they where seperated Sora meets Twilight after "dropping in". It's the beginning of season 1.

Sora and the gang arrive in Ponyland, where The Heartless are abducting The Little Ponies. The daughter of Megan and her friends have the power to fight back, so our heroes join forces, while a champion from the past steps forward to fight the darkness.