Puzzle & Dragons X (Original Japanese Version)

Ace returns to Vienna City to let his mom know that he's now an official Guild Dragon Caller. Lena's proud of him, but when another monster goes on a rampage, Lena lets her worry get the best of her and goes to find Ace...

In order to get ready for the Battle Cup, Ace and his friends head to Sand City, Vegahs to hone their skills as Dragon Callers. There, Tiger is conned into a fixed match, but Entetsu, a monster that saved Tiger before, comes to save him again.

To find his dream-monster, Toyceratops, Charo and his friends head to Woodstorm, a forest where many rare monsters reside. There, they meet Garnet, who has been tasked to hunt ghosts. Reluctantly, they join Garnet and goes into a haunted mansion...

Ace takes on a mission with Lance to deal with a dragon on rampage. However, they soon learn that the dragon has his reasons to be upset - the Egg Drop trafficking organization hunted his friends. Will Ace and Lance be able to save the other dragons?

When Lance was just a little boy, the Drop Impact took away everything from him - his house, his mom, his dad. After that, Lance was on his own, until he met Devi. The two became good friends and spent their time together, until one day...

Torlie goes into the forest to investigate the cause of increased Drops in the area, and Ace and his friends tag along. There, they find a monster, Fortoytops, suffering from taking in too much Drops. To save him, Charo steps up to the challenge.

Tiger meets his old childhood friend - Rose. They have a friendly competition to see who'll find the Red Carbuncle first. With a little tough love, Tiger realizes that he hasn't accomplished anything by himself yet, and makes a tough decision.

Thinking about dropping his mom a line, Ace reflects on what had happened since he first left his hometown, Vienna City. His first D-Gear, his first friend, his first monster, and when he finally became a Guild Dragon Caller. So much has happened!

At a school where they train children with the potential to become Dragon Callers, Garnet is invited as a guest speaker. She remembers what it was like when she was a student there herself, and Valkyrie never made her school-life any easier.

Ace and Sonia visit an island where "Death" has been sighted. This monster is a dangerous monster that controls other monsters to harm people. In the island, they also find unbalance in the Drops and SDF's secret base. Could everything be related?

Ace and the gang goes to the Light City and hears about the almighty Dragon Caller, Sturgeon. Hoping they can get some training from him, they set off to find him with a boy named "Astell." However, they soon find out who the boy really is...

Defeated by Sturgeon, Ace seeks more strength. However, he doesn't know how to achieve that. Grasping at straws, he ignores Tamazo's warning and listens to a mysterious e-mail he receives. Unfortunately, the e-mail leads them to a Drop Impact site...

Ace and Tamazo head to the Duen Desert to find a monster called god. Ace is so fixated on becoming strong that he doesn't realize he's forgotten something very important as a Dragon Caller. Will the god find Ace unworthy, or will Ace open his eyes?