How Not To Summon A Demon Lord Manga Ending Explained?

Demon | Stockholm Syndrome | Possessive | Lust | Obsession A demon with a human; unthinkable. A king with his slave… A perfect combination. Gabrielle's life changes forever when she and her friends accidentally summon a demon one fateful night. Taken as a slave to the demon realm, she finds herself at the mercy of the Demon King of Lust. But Gabrielle is not made to be a slave, to bow down. Adrian is accustomed to unquestioning obedience. His existence takes an unexpected turn when he encounters Gabrielle, an innocent human who defies his every command. Driven by an insatiable need to dominate her, Adrian becomes captivated by the challenge she presents. But she is just a human, just a slave. Their kinds are destined to despise each other—light and darkness, innocence and lust. As their worlds collide, Adrian's lust for control becomes something far more dangerous. Can he resist her, or will his desire transform into something much, much more dangerous?

Shaina has always feel inferior to her older sister who always steal what she wants, when her first love was taken by her, Shaina decided to outshine her this once and that is to get married before her older sister does. After a night lie, she found herself entangled to Samael, a thousand years Demon who has taken interest in the human world. The Demon seeks a remedy to the growing dark power in him and after accidentally encouter with Shaina who asked him to become her husband for a night, Samael felt he has found his soulmate and his cure. Will the two different beings have a lasting love? Or will their worlds break them apart?

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.

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?

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.