If you're looking for manga similar to 5500 Shades of the Demon King, you might like these titles.
Some women would kill to be the love interest of a book’s charming protagonist, but Maise Hazelnut is different! As a girl from the 21st century, she struggles to keep up the appearance of the angelic “Maise” while defying the fate laid out for her by a harem romance novel. That’s right, Maise’s boyfriend is none other than the goofy and lovable protagonist, and every woman in the book has her eyes on him. Right after she dumps him to work toward her own happy ending, Maise gets set up on a blind date with a man named Eith Lancell. She falls head over heels for Eith, but notices his strange behavior at times… Something’s weird about this devilishly handsome new beau. What could he be hiding?
I’d been reincarnated as the heroine of a predictable third-rate harem novel. I decided to live as the heroine and enjoy my comfortable life with the hero… but what kind of romance is this?! Having a soldier for a boyfriend, there was a constant stream of women surrounding him… and all kinds of incidents occurred. So now I was trying my best to live a normal life. I broke up with my boyfriend and married a man I’d met during a blind date but… What? My husband is the demon king?
By the time I realized it, I had reincarnated into another world. I kept sleeping, and at some point I became a Demon Lord. Even though I never wished for it. But for me to not have to work, this world is the best. It must be true that good things happen to good people. The flavor of Sloth is as sweet as honey. Glory, diligence, virtue, or honor. I have no interest in anything like that. What's there to hide? The Lazy king is none other than me!
Tooru, a regular office employee and fangirl, is obsessed with ‘Lapis Lazuli World’— a fantasy manga of battles and magic. Following the story’s climatic ending and demise of her favourite villain, the demon king, Tooru is left torn and heartbroken… and she accidentally falls off a rooftop. But when she wakes, she finds herself trapped in the body of a six-year-old… and the demon king alive in front of her?! Determined to set things right, she’s going to rewrite the script and save her beloved!
While driven in her life and supported by loving parents, Mihyang Kim has been a sidekick, shadowed by her childhood friend, Shiyeon. When both of them suffer a fatal accident, Mihyang is reborn as Damia, and Shiyeon is reborn as Eileene in a new fantasy world. Surprisingly, their new lives as Nobles and Socialites in this new world mirror their lives back in Korea, and Damia drives herself to find her own path in life, escaping the shadow of her long-time friend. However, with Eileene caught in a web of royal politics and a large conspiracy slowly revealing itself in the kingdom, Damia must find a way to help her friend, and survive this new world herself!
If Amber Verdi had known a goddess was a fan of her novel, she never would’ve discontinued writing it. Unfortunately, she’s angered a goddess. And as punishment, she must become a side character and help the female and male leads, Freya Ardel and Kyle Blackwood, reach a happy ending. But when Freya suddenly dies as a result of her actions, she manages to pacify the enraged goddess once again by becoming the new heroine of the story. Will Amber's journey with Kyle bring a satisfying conclusion for her most extreme fan?
Alex, vengeful Elf is on a vendetta against the so-called "Chosen ones" who keep the peace of the land ever since their ancestors vanquished the Dark Lord Gob-Khan a millennia ago. Seeking to destroy the world that has betrayed her, Alex awakens the Dark Lord from his thousand-year-old slumber only to find that he's... a goblin. Will this pathetic little green creature manage to live up to his seemingly unjustified reputation and help Alex bring apocalypse upon the world?
One day, writer Ppallu wakes up in a fantasy world. She used to just draw webtoons, but she had a chance to start a new life. Now Ppallu gives reviews to her friends about popular webtoons.
An office lady who falls from a building is reincarnated into another world and ends up at the Devil King's castle. Can she save him from the bad ending?
I am Beelzebub, the King of the Devils that stands tall over all others. But after being betrayed by my subordinate and killed, I was reincarnated. I was definitely supposed to be born again as a devil…! But I can’t even spea… ababubaba…! The almighty Beelzebub is now a human child?!