This story is a sequel to Power Rangers: Guardians of Harmony

When a new enemy from another universe threatens their world, the Guardian Rangers must team up with another set of Rangers to save the day. Can they pull it off, or will our world be taken over by this mad man?

Over a thousand years ago, ten Elements of Harmony were lost in another world. Now a group of young teens must come together, to protect this world form the evil that threatens it. With the help of the mane seven, they must become the Guardian Power Rangers.

Takes place after Legend of Everfree and in place of the next film.

This story is a sequel to Power Rangers Guardians vs Power Rangers Revolution X

The Power Rangers are back! Now in their senior year of High School, the Rangers are hoping to have a peaceful time. But to their horror, a new threat has surfaced and is out to get them and take their Elements. To stop it, the Rangers must create new weapons, find new allies and defeat new foes. One thing's for sure, should they win, they will become legends.

This story is a sequel to Kamen Rider Unicorn

Summer Vacation is still going strong for Team Unicorn, but every once and a while, even heroes need to take a break. And what better way than to play the hottest video game of the year?

However, this game becomes less fun when Canterlot City's youth contract a unknown disease that is slowly killing them. But when Sunset goes to confront this new threat, an enemy from the past returns to seek revenge on her, and on all the good in this and every world.

But hope arrives in the form of three renowned doctors and a game character - and one guy with a MAJOR god complex - who can help and stop this disease before it can progress.

Oh, and they also happen to be Kamen Riders!

< UNICORN! >

[+] MIGHTY ACTION X! [+]

This story is a sequel to Kamen Rider Unicorn

Sunset Shimmer has become burnt out after constant battles with Dopants and managing any magical mishaps that spring up. So after much deliberation, Sunset has decided to return to her home for a week long vacation.

However, evil doesn't take a vacation, and it springs up in Equestria. The organization known as Shocker, has set its sights on Equestria and threatens all that is good in the magical land. Fortunately, help appears in the form of the "Destroyer of Worlds", Kamen Rider Decade.

But what is Shocker's objective? Why have they targeted Equestria? Sunset Shimmer shall be tested like never before, against foes she has never encountered, see how her metal will be tested in Kamen Rider Unicorn's first movie debut!

Takes place during Kamen Rider Unicorn chapter Initiation

Some time has passed since the end of the Friendship Games, and Twilight Sparkle is still adjusting, but it's nothing that Sunset can't help her with. However, something seems off when Twilight starts to have dreams. Dreams of a library with infinite books, and of a masked warrior who fought against monsters.

It is soon revealed that these were not dreams but premonitions, the power of the Earth has give birth to the creations known as Gaia Memories, and in order stop those who would use their power to hurt others, Sunset and Twilight will have to work together to stop it. With knowledge in hand, Twilight will equip Sunset with the tools needed to fight this menace, Sunset Shimmer will become Kamen Rider Unicorn!

"Time to restore harmony!"

< UNICORN! >

This is a crossover of the Japanese Tokukatsu type TV series, Kamen Rider W

Apparently it has a TV Tropes page, go figure. Thanks whoever did it!

New cover art is fan art from pyropyre

And here's the theme song, Brave Phoenix

Made this to help with reading: Kamen Rider Unicorn Reading Order