Digimon Fusion

Five children receive strange messages on their cell phones that lead them to a train that takes them to the Digital World, a strange world filled with bizarre creatures called Digimon. These children have been sent there to stop an evil Digimon named Cherubimon from completely annihilating the planet of all its inhabitants. In order to accomplish this, the five children must locate their "spirits", which will evolve them into the Legendary Warrior Digimon. Unfortunately for them Cherubimon has ordered his servants to stop the kids from finishing the mission; eventually the children will have to fight Cherubimon's forces in order to save the planet.

Reborn as a marquis’ fourth son, Van was once hailed as a genius prodigy until he’s exiled to a nameless frontier village for possessing Production Magic, a useless type of magic in this world. But when he uses his “useless” power to craft weapons, tools, and wonders beyond imagination, the village begins to thrive! What began as exile is now the start of a new life and a world-changing adventure!

Nakajima Youko is your average somewhat timid high school student. One day, a strange man named Keiki appears before her, swearing allegiance. Before she could properly register what was happening, demon-like creatures attack Youko and her friends, after which they are pulled into a different world. A world unlike what she has ever known. Separated from Keiki, Youko and her friends must do whatever they can if they wish to survive in this new world.

Centers on the lives of creatures called Bakugan and the battle brawlers who possess them.