“You, who has always been useless all your life, can now be useful for once.” ... more>>

Ludis, an illegitimate child of the Emperor, was always abused by her own father due to her lameness and uselessness. She was offered to an ancient god so as to save their Empire that was currently in crisis. In the midst of offering herself, a man approaches her.

‘Who would have thought that I’d die in this way…’

“What’s your wish?”

Hair as dark as the night sky and eyes as bright as the stars. Ludis found it harder and harder to breathe being next to him.

“I don’t know what to wish for.”

“Tell me anything you want. I’ve waited for five thousand years just to give you what you want.”

The princess, Ludis, who became a sacrifice for the Empire, is now in a contract with the ancient god, Lavane. <<less

I reincarnated as the villainess in a book!... more>>

The one who dared to commit attempted murder on the heroine is the owner of this body?

Let’s just live in a quiet place where we have fun and eat! That’s what I thought for a while.

It was so, so, so cold here in the north, where I was kicked out as a punishment.

Before I froze to death, I called the Great Demon of Fire and set fire to the fireplace but...

Why isn’t he going back? If you’ve done the job, shouldn’t you go back?!

I was flustered to find out that I had signed a life contract with a demon just to start a fire but to think that I’d be responsible for relieving his desires!

The bickering romance between a big puppy demon and a small villainess lady! <<less

When a down-on-her-luck student runs out of money – and hope – it’s time for the devil to make his entrance and give her an... more>> offer she can’t refuse. But this devil has problems of his own. He’s a cog in Satan’s corporate ladder, who’s quickly losing credibility because that same desperate girl isn’t ready to part with her soul willingly. Now, she’s working at his coffee shop while he tries to convince her that she can have it all. And the cost? Merely her mortal soul... <<less

Yurisina, the daughter of the demon king, has always wanted to become a full-fledged demon by making her first contract with a human.... more>>

That's when Princess Marianne of the Pedin Kingdom summoned her to take revenge on Queen Orphelius who poisoned her, and asks Yurisina to live in her place... <<less

Miroku-san, the slit-mouth woman, is to marry high school student Kouichi to maintain her existence as his family has been in charge of upkeeping superstitions for generations. To add, there seems to be another reason that he seems more than willing...... more>>

Miroku, however, would rather use her own strength than borrow that of others. Thus, they establish a contract as follows.

1. For a trial period of a year, they are to act as though they were married.

2. If she is able to scare him within that year, the engagement will be broken. <<less

The manga centers on a second-year high school student who is standing in for his Catholic priest father to protect their church while his father... more>> is away. He saves a troubled beautiful young girl who is in front of his church one day, but she turns out to be the demon Asmodeus. <<less

Natsume has always been aware of the supernatural, but after he inherits a magic book, the supernatural is aware of him!... more>>

When Reiko was Takashi's age, she bound the names of demons and spirits in her Book of Friends, enslaving them to her capricious whim. Now Takashi is the owner of the book, and the creatures will do anything to get their names back. <<less

The older brother, imprisoned by his sister, dies just as he escapes and is reincarnated in another world!... more>>

He thought he had been freed from his demonic sister, but now she too has been reincarnated in the same world...? <<less

The air of celebration surrounding fifteen-year-old Oz Vessalius’s coming-of-age ceremony quickly turns to horror when he is condemned for a sin about which he knows... more>> nothing. He is thrown into an eternal prison known as the Abyss, from which there is no escape. There, he meets a young girl named Alice, who is not what she seems. Now that the relentless cogs of fate have begun to turn, will they lead only to crushing despair for Oz, or is there some shred of hope for him to grasp on to? <<less

A charitable count offers to adopt young Caidel into a life of nobility, and the orphan boy only has to pledge one thing in return: follow the "ember" and seek out the witch that set fire to his childhood village.... more>>

Raised as a skilled fighter in a family of alchemists, Caidel now sets out to find the white-haired witch. When he finally encounters a woman with flowing white hair, she is kind and gentle—contrary to the rumors spread by other villagers.

Could the sweet Eleanor be the same witch from his nightmares? Between love and vengeance, which will Caidel choose? <<less

One day, a mysterious virus appeared on Earth which killed every infected human over the age of 13. At the same time, vampires emerged from... more>> the world's dark recesses and enslaved mankind. Enter Hyakuya Yuuichirou, a young boy, who along with the rest of the children from his orphanage, are treated as livestock by the vampires. Even in captivity, Yuuichirou dreams big. He dreams of killing vampires. He dreams of killing them all. <<less

The story opens as middle school student Takao Kasuga receives an F on a math test. But he doesn't even seem to notice because he's too engrossed in surreptitiously reading Beaudelaire's The Flowers of Evil. And the day goes downhill from there. In a moment of weakness, he finds and takes home the gym clothes belonging to sweet, pretty Nanako Saeki on whom he has a major crush. Unfortunately for Takao, there's a witness to the theft: Nakamura, who has a huge chip on her shoulder and a sadistic streak.... more>>

As the saga unfolds, we see Takao struggling to decide whether to confess or cover up his misdeeds at the same time that he tries to win over the girl of his dreams, and avoid the blackmail attempts of Nakamura, his new ”BFF.” <<less

A world where you can contract with God and gain skills. Born as the third son of a famous knight family, Yuno was so busy controlling his innate power that he was eventually called "incompetent.".... more>>

However, in the magical knight academy, who was enrolled for some reason, he fulfilled his fateful encounter with an unnamed god who was despised as "incompetent" like himself..

Yuno, who contracted with the goddess and named her [Athena], secretly decided to make her the highest god, and decided to get a little more serious. <<less

Just a stone´s throw from London lies the manor house of the illustrious Phantomhive earldom and its master, one Ciel Phantomhive. Earl Phantomhive is a giant in the world of commerce, Queen Victoria’s faithful servant and a slip of a twelve-year-old boy. ... more>>

Fortunately his loyal butler Sebastian is ever at his side, ready to carry out the young master’s wishes. And whether Sebastian is called to save a dinner party gone awry or probe the dark secrets of London’s underbelly, there apparently is nothing Sebastian cannot do. In fact, one might even say Sebastian is too good to be true or at least, too good to be human.

Note: For readers reading after watching the anime, read chapters 1, 5 and 14, then complete chapter 21 onwards. <<less

Alto who was dangerously close to repeating a year ends up invoking a magic formation from a book he found by chance and summons a... more>> demon named Vermeil who had been sealed. <<less

A breathtaking vampire romance depicting adventure and love in search of the legendary 'vampire flower'. The vampire Louvre sets out in his quest with the... more>> human contractor, Seoyoung, appearing in the human world after 500 years. <<less

Napolly," an ordinary high school girl in modern times, was tired of a boring school life. ... more>>

'The world is gone?!'

The news is full of breaking news that the mysterious destruction continues, but the main culprit is seen in the eyes of the surviving Polly. White and brilliant silver scales, purple eyes with sadness and madness.

'The giant dragon I saw in the game!' In front of Polly, who can see the transparent dragon, the twin sister of Transparent Dragon, "Idae ah," appears, and the dragon's name is "Israel." Napolly, who was forced to take part in the power of Ideiya by half force to calm Israel, who was dumped by a wicked woman, headed to the second world of the past. Can Polly be friends with Israel, who is trying to destroy the world, and calm it down? <<less

Lee Kyung Ho's mind was engulfed with ending his life due to bullying and the loss of his mother. He attempts to, but is saved.... more>> His determination to commit suicide somehow entices Sierra, a grim reaper who later offers him a contract. This contract blesses him with the ability to borrow the powers of the dead in their previous life in return of sacrificing years from his lifespan. For the sake of attaining what he wishes for, he eventually agrees to it. <<less

When the Demon Tribes led by a Demon King appeared and launched a massive war at mankind, all hope seems to be lost, until a brave group of heroes managed to turn the tide and even defeated the Demon King.... more>>

John Serieux, a mid-ranked soldier of World's Resistance against the demon's army, had fortunately been able to witness the Demon King's fall by the Heroes, but also was unfortunately killed a moment after. Miraculously, he was still able to open his eyes, only to realize that his mind had been sent back to the past when he's still a baby!

With all the memories of his adult years, the knowledge of many scientific breakthroughs during the war, and information of the upcoming great disaster all intact, John is determined to cultivate his potential efficiently and optimally to help change the future for the best. <<less

It was inevitable that they'd meet by chance. Bam! He's a desert, a violent beast, and the Sultan's heir, someone more important than everyone else and yet still acknowledged by nobody. He owns her for one year, but is trying to keep her forever.... more>>

“Friedrich Dürrenmatt once said, ‘It is only in love and murder that we still remain sincere.’ Since you’re still alive, does that mean I love you?” says the man that's done with playing hide and seek, Ashan.

"Oh my, that's a scary confession. There isn't anything in the contract about having to spend the night here though," says the woman trying to escape, Seoyoon. <<less

184 cm tall and known by the titles of “flower boy beauty” and all-around male fashion model is actually— a girl!

Yu Mano wanted a job where he wouldn't have to deal with lots of people looking at him, and maybe where he could get some of his college homework done during breaks. Being an albino in South Korea, he always stands out. There's this creepy yet eye-catching mansion in his neighborhood that somehow is a library, so he decides to work there part-time for a while. ... more>>

But his annoyance level soon shoots through the roof because every single one of the (admittedly gorgeous) librarians there are vampire otakus! They even dress and talk as if they are vampires—and as if they're certain he is one, too!

After an awkward first encounter with the head librarian (including being dragged into his elegant coffin), he is determined to never go back but... <<less

As a child, Oscar, Crown Prince of Farsas, had been cursed to be childless. At the age of 20, he paid a visit to Tinassha,... more>> the strongest witch in the continent, to break the curse. He came back bringing Tinassha along as his protector, and in the one year until his contract with her expired, he got embroiled into her past, and an even greater destiny. <<less

A story about a man with a disease where he dies if he doesn't kiss, and the secret kissing contract made in order to keep... more>> him alive; an office contract romance. (Hour of Lunacy) <<less

Tamako Asahina, who lived without care, unmarried and without a lover, will soon be 30. But, an unexpected meeting swoops down from a familiar place…?!