
If you're looking for manga similar to Arad: Reversal of Fate, you might like these titles.
The year is 200X. Jin, Akira and Lena are three child hood friends who like mysterious things. One day in the library, along with the mysterious transfer student Ami, they find the "Akuma Compendium". They chanted an incantation in the book and, to their surprise, devils appeared. Ami then told Jin and Akira that they are the Devil Children that will decide the fate of the world. She hands them their Devil Risers. The group then pass through the "Door of Time" to the land of Valhalla where they fight an evil ruler known as Imperius who plans on conquering all of the world. The Nakama of Jin is Rand, a Sol Lion, and Akira's is Gale, a Hylon.
Link once trained in swordsmanship, hoping to protect the world of Hyrule. After a fateful meeting, he sought out the anonymity and peace of life in a small village. But danger and adventure always find heroes to set things right, and when the dark minions of the King of Shadows threaten his new home, Link answers the call!
Galactic Era 366, a malevolent entity, "The Ten Wise Men", manipulated the Crest of Annihilation in an attempt to destroy the entire universe. Their aspirations were crushed by the heroes' actions across many planets, and the Ten Wise Men were defeated. The Universe was at peace once again. Thereafter, the heroes decided to go their separate ways. And two years later... Precis and Leon are studying abroad on Earth. Then one day, they received an SOS from Opera and Ernest, saying that they had crashed on an underdeveloped planet. And the both of them, gathering some old friends, set off to Edifice to rescue them. But what they will find there will lead them on another adventure in which they will need to save a planet, and possibly the entire universe once again.