Seasons & Episodes
Flushed into an Alternate World
Yuri Shibuya was just a normal Japanese high school kid on his way home from school he sees a former classmate of his, M
Duel! Pretty Boy vs. Baseball Boy
While attending a dinner party that the former Queen is holding, Wolfram insults Yuri's mother by saying she is dirty hu
Yuri Shibuya! I Am the Demon King!
When Yuri wakes up after his first time using magic he finds out from Wolfram that Conrad and Gwendal have gone off to p
What's Next? The Ultimate Weapon?!
Yuri awakens to finds himself in the girls' bathroom he originally disappeared from with Ken Murata in front of him with
Sailors and a Spoiled Brat
Yuri, Conrad, and Wolfram set sail on a ship to Van da Via island where the demon sword, Morgif, is rumored to be locate
The Terror of Morgif, a Man-Eating Demon Sword
Conrad, Wolfram, Yuri, and Jozak reach the Van da Via island.
Runaway? Stray? Demon Sword in Motion!
With Morgif now in his possession, Yuri finds out that the sword needs to absorb souls for energy.
Moonlit Plot
While Yuri is on Earth, Stoffel is in the other world hatching a plan.
Stolen Treasure
In the morning, nothing appears to have happened. However one of the soldiers found the door to the treasure room was pi
The Hand of Evil Looms Closer!
As Yuri, Wolfram, and Conrad leave the castle to some soldiers, Stoffel and Raven start their next move.
The War Begins in the Alternate World
Yuri wakes to find himself in Stoffel's castle. Stoffel tries to persuade Yuri to join his side, but Yuri rejects.
Chains of Love and Destiny
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 transpor
The Bride, Yuri and Gwendal
Gwendal and Yuri enter the capital city of Svelera.
Yuri Does Heavy Labor
Gwendal and Yuri are sent to trial for Yuri eloping with a demon.
Rainfall in the Desert
After Yuri wakes up, he finds Norica digging through the cemetery looking for her son.
The Demon King Case File!
After Yuri studies and practices baseball with Conrad, the news of a demon stone being stolen perks Yuri's interest.
I Am Remarrying
Stoffel and Raven attempt to appease Yuri by arraigning a celebration for him.
In the Name of Love
Yuri and Wolfram enter the guesthouse to get rid of some monsters.
Hero vs. Demon King (1)
A fantasy world calls for a fantasy adventure, and Yuri has decided that he wants to see a dragon.
Hero vs. Demon King (2)
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
The Dangerous Visitor
A young girl shows up claiming to be Yuri's illegitimate child, and then tries to kill Yuri.
Man of Destiny
Greta spotted a man in town that she wanted to see again. Despite the fact that Conrad had told them to stay put, and st
Race of Flame
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
Unforgiven
Hube is returned to the Demon Kingdom and it seems that no one likes him. Greta tells Yuri that Hube had once told her t
The Past and Future
Hube once again attacks Yuri and Conrad defends him. Gwendal decides that Hube must die for his crimes.
The Full Circle of Life
Conrad thinks about how life seems to continue on, though more slowly, when Yuri is not around.
Conrad's Arm
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 barr
Atrocious Reunion
Yuri soon learns that for the first time he is not alone. Somehow Murata has also ended up in the other world with him.
Chilling Overture
Yuri, Murata and Lady Flynn are on a ship carrying cargo, passengers and prisoners. They're heading towards Big Shimaron
The Forbidden Box
Yuri learns of the Four Forbidden boxes that will bring destruction. Murata seems to know a lot more about this world th
The Ends of the Earth
It seems Murata may be someone of importance. We learn that Conrad's arm may be the key to releasing the power of the bo
The Locked Memory
Ken Murata is something more than simply Yuri's friend; he also holds a high place in the Demon society.
Run for It! The Snow Sled Race
Every four years the Ultimate Tournament is held and Yuri enters on Caloria's behalf.
Hot Battle Coliseum?!
The Ultimate tournament begins with Wolfram taking the first fighting position. After his battle Jozak battles with Adal
Snow-Covered Earth
Yuri is about to begin his battle, fortunately Lady Flynn is safe and he can fight the next opponent with all his might.
Farewell, Conrad
King Belar declares that Big Shimaron is the winner of this year's Ultimate Tournament and orders Caloria's representati
Whereabouts of the Boxes
The episode starts with Conrad's dream, where someone appears to him an arm. Yuri is back on Earth depressed thinking ab
Günter vs. Conrad
Yuri and his group travel to Cavalcade and meet Mr. Heathcrife who can help them get into a secluded land called Francia
Your Name Is Demon King
Lyla, the king's helper, takes it upon herself to show Yuri and the others around and to help them look for the forbidde
For Our Bonds
Big Cimaron has taken control of Francia making escape hard for Yuri and the others.
Conrad's Return
Francia has made Conrad a prisoner and decided to join in alliance with the Demon Kingdom.
A Distant Promise
Yuri's older brother Shori reminisces about a time in Yuri's youth when he would call him his "big brother."
Baby Panic at Covenant Castle!
Baby Ernst, Eru for short, the son of Hube, and several other noble born children are gathered at Covenant Castle for th
The Phantom Girl
A mysterious girl who bears a strong resemblance to Ulrike is seen being mischievous around town.
The Betrothed vs. the Fiancé!
Stoffel has plans to set up Yuri with an appropriate princess thereby cementing his ties with the current ruler of the k
The Priestess in the Forest
Yuri and co. have gone through lots of boxes in order to find the last box but coming up empty. They learn of a box in a
Proof of Life
Dunheely, Conrad's father, has trouble getting along with Gwendal especially when Gwendal despises him. When Dunheely ha
Big Cimaron Strikes Back!
After having their box stolen by the Maou, Big Cimaron finds a new way to impose power over the allied countries: an "ov
The Lion and the Wolf
Adalbert has taken King Yuri hostage and demands to know if Yuri does in fact have Julia's soul.
My Beloved Julia
Panic consumes the troops of both nations and Big Shimaron's king decides to leave the children he already has in order
Revenge Fiend? Maxine
Maxine still has not given up hope of returning to his country and becoming wealthy and powerful. When he kidnaps Yuri a
Conrad Standing Tall
When Yuri stumbles upon the "Demon Mirror" he's transported back to the time when Lady Celi ruled with the help of Stoff
Dear King Yuri
Günter sets off on a "Nation Wide Tour" in order to better understand the "Common People." He comes to a town modeled a
The Holy Sword and the Demon Sword (1)
A man cloaked in shadows shows up wielding the power of the holy sword.
The Holy Sword and the Demon Sword (2)
Yuri and the others go to check out the rumors about the Holy Sword and stumble upon a man possessed with demonic energy
The Shadow Begins to Move
A mysterious masked man with hypnotizing powers walks into King Belar's castle unhindered leaving us with many questions
The Creature from the Darkness
Yuri is captured along with Wolfram and taken to Big Cimarion in order to be handed over to a hypnotized King Belar. The
The King of Chaos
Yuri decides to confront King Belar and try to convince him to stop fighting. He goes off with his crew and Adalbert in
Demons, to Earth
Ulrike reveals that the final forbidden box is on Earth. Yuri, along with Murata, Wolfram, Conrad and Gwendal set off to
Big Brother's Anguish
Yuri takes the group on a sightseeing trip while waiting for Bob, the Maou of the Earth to contact them. Shori meets up
Another Demon King
Yuri and co. travel to Switzerland after discovering that Bob is currently staying there. Yuri is shocked when he finds
Entrusted Hope
Yuri and Bob battle with magic and Yuri wins. Bob decides to entrust the final forbidden box to Yuri.
Showdown! The Demon King vs. the Boney Corps
The Kohi and many animals are acting up due to the fear of all of the forbidden box's are gathered together. Yuri manage
The Return of Snow Günter
Günter is poisoned again and Suzanna Julia's retired father visits the Demon Kingdom to release him and him and Yuri ta
The Travelers Through the Snow
It seems that one of the maids has been affected by miasma, a disease that makes the person unable to trust anyone. Yuri
The Power of Feelings
Yuri along with Conrad, Murata, and Wolfram travel back to earth in order to get something Yuri left behind. They are un
A Bridge to Tomorrow
Human villagers decide to build a bridge between the land of humans and the Mazoku. But they are being attacked by myste
The Age of Glory
Günter teaches Yuri about the past of The Great Demon Kingdom. The founding king Shinou, the Great Sage as well as the
What Must Be Protected
Shori goes to The Great Demon Kingdom by accident after the lake in Switzerland pulls him in. He asks Yuri to stop the c
The Forgotten People
A possessed Wolfram offers to give Shori magical power to protect Yuri but before Shori can answer, an unexpected visito
Big Brother's Big Rampage
Shori can now manipulate water and practices. Miko attempts to go to her sons in scuba diving equipment and ends up drag
That Which Is Sealed
Yuri forgives Shori for his misdeed and consoles him by telling his admiration for him to use maryoku and recover so qui
Dark Pulsation
Yuri starts the ceremony but Wolfram suddenly attacks Yuri, distracting Yuri into messing up the ceremony. A dark figure
The Controller of the Truth
Shinou praises his handpicked strategist and Wolfram is taken to Blood Pledge and Greta wonders if he had died. Anissina
The Sun and the Moon
Yuri and co. head back to The Original King's Temple to retrieve the keys from The Original King. However, they are atta
Within the Darkness
Soushu enters Yuri's body to take it over from the inside. Conrad, Gwendal, Jozak, Hube and Günter awaken outside the t
The Advent of the Demon King
Soushu has successfully taken over Yuri's heart by revealing why he chose him as the Maou—to be his body. Meanwhile, G
Till the Day We Meet Again
Soushu is forced out of Yuri's heart and Yuri defeats him, causing Soushu's troops to disappear as well as Shinou's soul
Return of the Demon King
Yuri and Murata return to The Demon Kingdom. Günter is preparing for the Maou's 16th birthday where Yuri will determine
A Demon King's Qualifications
Yuri goes through with the ceremony and soon finds himself in The Original King's temple where he has to make the final
The Demon King's Decision
After Yuri's decision is final, Wolfram brakes off the engagement in order to avoid any conflict and returns to the Biel
Greta and Yuram
When merchants come to The Demon Kingdom's capital to sell miniature bearbees, the whole town is turned upside down. Gre
Lyla's Wedding
During one of his study sessions, Yuri receives an invitation to attend Lyla and king Antoine Jean Le Pierre's wedding.
Infiltration! Big Cimaron
Murata, Jozak and Conrad travel to Big Shimaron to obtain something that Murata had left behind without Yuri's knowledge
Night of the Banquet
Yuri and Wolfram attends a banquet disguised as girls. It is there where Yuri meets Saralegi for the first time. Yuri wa
The Captive Demon King
Murata, Jozak and Conrad infiltrate the castle and manage to find a box full of swords. When an intruder alarm is sounde
Black Geneus
Lanzhil, in order to get rid of both Conrad and Yuri, orders Conrad to execute Yuri to prove his loyalty to Big Shimaron
Conrad and Günter
Yuri and co. visits the academy where Conrad trained to become a soldier.
The Bride Is Anissina?!
It turns out that Anissina's brother has set her up with a suitor for her to marry.
The Hero and the Three Swords
Yuri, while visiting Caloria, was attacked by members of the White Crow but fortunately was saved by Al while Wolfram an
King Saralegi of Small Cimaron
While trying to obtain the swords, Yuri and co. were tricked and attacked by the White Crows.
Moon Reflected in Water
Yuri, Conrad, Wolfram and Murata returns to Earth so that Yuri is able to take his final exam.
Lullaby of the Wind
Greta's past is revealed.
The Wincott Legacy
An old invention that was created a long time ago is found.
Invitation to Small Cimaron
Sara invites Yuri to Small Shimaron to make an alliance with The Great Demon Kingdom. They were attacked while having a
Two Kings
Yuri and Sara returns to the latter's castle where Yuri meets Sara's trusted subordinate, Gerard.
The King's Guardian
Sara is captured while Yuri manages to escape with the help of his subjects but Yuri is determined to go back and save S
For the Sake of a Friend
Big Shimaron has crossed over to Small Shimaron to capture Yuri.
Bitter Farewell
It is revealed that Berias is the one who shot the arrow under the orders of Sara so that he can gain Yuri's trust.
The People of the Round Table
After Yuri went to Small Cimaron, the heads of the ten noble families summons him to a meeting around the round table to
El's Abduction
Just as Yuri and Murata are about to head for The Great Demon Kingdom, Shori surprises them as he jumps in with them and
The Chosen One
Shori chases the White Crows and manages to rescue El by using magic.
Prairie Pursuit
As Jeneus is about to escape with Shori through a ship, Yuri and co. arrives and attempts to stop him.
White Crows
Murata informs everyone that his memories of his past life has been transferred to Jeneus and that Jeneus is just a copy
Divine Sword
Alazon explains the history of Seisakoku to Shori while Yuri and co. takes refuge at a hideout prepared for them.
Invocation
Shori follows Alazon and unleashes the power of the sword on Big Shimaron's army which had come to destroy the White Cro
Beyond Feelings
The Ten Nobles gathered together to have a meeting and questioned Yuri's motive to travel to Big Shimaron. They were sus
Outbreak of War
Big Shimaron is approaching faster than everybody thought and Waltorana's troops has been mobilized. When Yuri, Murata a
I Resign as Demon King
Murata and Shori stops Yuri by pushing him overboard, sending him back to Earth along with Shori while Murata is transpo
The Blue Blowing Wind
When Yuri comes back, he realizes that Conrad is still in Big Shimaron and Wolfram has gone to fetch him back.
Unexpected Reunion
Yuri sends a letter to Sara, informing him on the capture of Beria and inviting him to The Great Demon Kingdom to get hi
Holy Kingdom
Berias explains the past of Seisakoku to Sara.
Unfulfilled Promise
Jeneus attacks The Great Demon Kingdom in order to see The Original King once again as his last wish. He sends monsters
True Power
Yuri invites Alazon to Covenant Castle as an honored guest. He agrees to help Alazon to the exasperation of his subjects
Sad Roar
Sara appears in an alleyway with the Holy Sword lying next to him. When he takes out the sword, it leaves a faint trail
A Place to Go Home
The Original King decides to disappear along with Jeneus but Yuri intervenes. After Yuri had lectured The Original King,
Until We Meet Again...
Everything has turned back to normal but anxiety hangs in the air as Yuri has not awaken. Sara appears, offering to help
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