Season 1

Yuri Shibuya was just a normal Japanese high school kid on his way home from school he sees a former classmate of his, Murata, being bullied. He steps in to try and stop the bullies but they just grab him instead and dunk his head in a toilet in the girls' bathroom.

While attending a dinner party that the former Queen is holding, Wolfram insults Yuri's mother by saying she is dirty human and Yuri reacts to the insult by slapping Wolfram across the left cheek.

When Yuri wakes up after his first time using magic he finds out from Wolfram that Conrad and Gwendal have gone off to protect a human refugee village that is being attacked.

Yuri awakens to finds himself in the girls' bathroom he originally disappeared from with Ken Murata in front of him with a police officer.

Yuri, Conrad, and Wolfram set sail on a ship to Van da Via island where the demon sword, Morgif, is rumored to be located.

Conrad, Wolfram, Yuri, and Jozak reach the Van da Via island.

With Morgif now in his possession, Yuri finds out that the sword needs to absorb souls for energy.

While Yuri is on Earth, Stoffel is in the other world hatching a plan.

In the morning, nothing appears to have happened. However one of the soldiers found the door to the treasure room was picked.

As Yuri, Wolfram, and Conrad leave the castle to some soldiers, Stoffel and Raven start their next move.

Yuri wakes to find himself in Stoffel's castle. Stoffel tries to persuade Yuri to join his side, but Yuri rejects.

Yuri goes to see a dolphin show, but when he is called up to the stage to shake hands with a dolphin he is then transported to the other world.

Gwendal and Yuri enter the capital city of Svelera.

Gwendal and Yuri are sent to trial for Yuri eloping with a demon.

After Yuri wakes up, he finds Norica digging through the cemetery looking for her son.

After Yuri studies and practices baseball with Conrad, the news of a demon stone being stolen perks Yuri's interest.

Stoffel and Raven attempt to appease Yuri by arraigning a celebration for him.

Yuri and Wolfram enter the guesthouse to get rid of some monsters.

A fantasy world calls for a fantasy adventure, and Yuri has decided that he wants to see a dragon.

Alford learns what it truly means to be a Hero. Yuri and the others find the dragons a new nest to help shield them from possible future poachers.

A young girl shows up claiming to be Yuri's illegitimate child, and then tries to kill Yuri.

Greta spotted a man in town that she wanted to see again. Despite the fact that Conrad had told them to stay put, and still suffering from a twisted ankle, Yuri takes Greta into town.

The masked man turns out to be Hube, who now lays dying with Greta clinging to him. She tells the others that in her old home, Hube, who was in the dungeon, was the only one who would talk or listen to her.

Hube is returned to the Demon Kingdom and it seems that no one likes him. Greta tells Yuri that Hube had once told her that he'd done something unforgivable.

Hube once again attacks Yuri and Conrad defends him. Gwendal decides that Hube must die for his crimes.

Conrad thinks about how life seems to continue on, though more slowly, when Yuri is not around.

Yuri is suddenly pulled back to the other world but instead of ending up in a water source as usual he ends up in a barrel of alcohol.

Yuri soon learns that for the first time he is not alone. Somehow Murata has also ended up in the other world with him.

Yuri, Murata and Lady Flynn are on a ship carrying cargo, passengers and prisoners. They're heading towards Big Shimaron when it is attacked by Small Shimaron.

Yuri learns of the Four Forbidden boxes that will bring destruction. Murata seems to know a lot more about this world than he should, raising questions as to his true identity.

It seems Murata may be someone of importance. We learn that Conrad's arm may be the key to releasing the power of the box.

Ken Murata is something more than simply Yuri's friend; he also holds a high place in the Demon society.

Every four years the Ultimate Tournament is held and Yuri enters on Caloria's behalf.

The Ultimate tournament begins with Wolfram taking the first fighting position. After his battle Jozak battles with Adalbert who has entered this tournament solely for a chance to fight with Yuri.

Yuri is about to begin his battle, fortunately Lady Flynn is safe and he can fight the next opponent with all his might.

King Belar declares that Big Shimaron is the winner of this year's Ultimate Tournament and orders Caloria's representatives to be arrested.

The episode starts with Conrad's dream, where someone appears to him an arm. Yuri is back on Earth depressed thinking about Conrad. Then later meets Murata at the park.

Yuri and his group travel to Cavalcade and meet Mr. Heathcrife who can help them get into a secluded land called Francia.

Lyla, the king's helper, takes it upon herself to show Yuri and the others around and to help them look for the forbidden box.