Why Did The Demon Lord Is A Part-Timer End Abruptly?

Arianna had not planned on using magic to summon anything, she just wanted to get out of an arranged marriage. She was told of the ancient magic of summoning a guardian but instead she had summoned a demon—the demon king himself. But what would he ask in return for his loyalty to this princess?

Serra is a normal senior high school student who works really hard every night and weekend to pay off her parents' debts from loan sharks. But when she couldn't keep up with payments anymore, she decided to end her life. Surprisingly, she woke up in a different light-- in another world. What's more shocking was when she is addressed by one of the people as the demon king's bride.

A 25 years old boy named John is suddenly shot by his friend, which results in his death, but is reincarnated again as the new Demon King. Unfortunately, he agains dies in a battle. This time also he is reincarnated but as a human. Follow Vis' adventure as he gets revenge, becomes a demon and makes his own harem.

When Mizuko slipped into the other world, she landed in the arms of a mischievous demon prince, Kenshi. New to the world, she didn't know he was a demon as he looked to her like he was a decent person. Because Kenshi helped her first, Mizuko decided to ask him for help in finding a way home while she fulfills the dead mage's request in relaying the message to the King. But no demon in Souzou helps unless they get something in exchange. A promise, it is what Kenshi wants the most.

The Demon King’s Bride The entire kingdom fears him. With white hair, piercing blue eyes, and a heart sealed by cruelty, King Edrion is known as the Demon King—a ruler who accepts betrothed brides… only to turn them into concubines and discard them without mercy. When a young noble lady is promised to the king, her fate seems sealed. But she refuses to give up her freedom—or the man she secretly loves: a guard from her own household. Desperate, they devise an unthinkable plan—to have a poor girl, identical to the noble, take her place as the royal bride. The girl agrees to assume a life that is not hers, believing she will become nothing more than another forgotten concubine in the shadow of the throne. What no one expected… is that the king would choose her. Now destined to become queen to the most feared man in the kingdom, trapped in a lie that could cost her life, she must survive the court, a forbidden desire, and a king who was never meant to look at her the way he does. Because the Demon King does not love. But when he chooses… he neither forgives nor lets go.

Daemon who was once a useless, powerless man despised and bullied by others, worked his way to the top, facing many challenges and opposition from crooked and twisted ministers, sinister and wicked demon Lords who are trying to bring him down, becoming the Demon Emperor, a figure who now holds the highest authority. He swore revenge against the humans - the ones who ruin his family, massacred his innocent family and left him orphan. There's a big organisation called the Demon Hunters whose aim is to rid the world of demons, and they were the ones who killed Daemon's family. Amidst the chaos, he encounters Victoria Bennett, an unsuspecting human who stumbles into his realm searching for her missing brother, igniting a forbidden romance between two souls from opposing worlds. However, their love faces insurmountable obstacles as both humans and Victoria's own family relentlessly strive to tear them apart. Will Daemon and his loyal Demon Lords succeed in their audacious mission? Can they find solace in one another, despite the deceit and dark enigmas they harbor? Can the flame of love burn brightly between a human and a demon, defying the shackles of an ancient curse that has endured for countless millennia? And in the ultimate test of devotion, what choice will Victoria make: her blood ties or the irrevocable love of her life?