“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

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

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

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

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

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…?!

"Without human belief, we cannot exist."... more>>

Shinseon-Nyeo, a girl who is born with a novelty but has lived by refusing to be excited. One day, two spirits come to her and demand that she become a shaman. The gods offer to grant a wish if they can bring back the same power as before.

Can a fairy have a peaceful life after school? <<less

Dayeon’s simple life’s about to be shaken up after she witnesses the breakup of the school’s #1 couple, Sahoon and Suji. Just as she loses... more>> her part-time job, Dayeon was offered a new one: be Sahoon’s contract girlfriend to make Suji jealous and win her back. Dayeon doesn’t want all the fame and drama! But after rejecting his offer, her brother is in an accident and she’s forced to accept the job. As they make good on the deal, between Dayeon and Sahoon, what’s just for show and what’s real? <<less

The sudden appearance of the amnesiac witch, Nyx, has brought a lot of changes to Ren Xi’s life. The two help each other’s growth, Ren... more>> Xi’s willing to help Nyx to find her lost memories, but in the process, will discover an astonishing secret... <<less

While escaping from her crazy scientist grandfather, young and genius Xi is killed in an explosion and is transferred into another world, straight into a body of a dying girl. Grasping onto hope, in exchange for a promise to be saved Xi frees a mysterious man... and now she is the eldest good-for-nothing daughter in a Duke's family!... more>>

Her new grandfather is a doting old guy, her uncle is crippled and she herself is despised for not having a spirit familiar. Moreover, her fiance is the second prince but her family doesn't seem to have a good relationship with the Emperor. And her enigmatic savior - why doesn't he wish to leave her side? <<less

I want to have a romantic relationship. They have come for those who only trigger jealousy!

28 year old otaku Suzuki Tsukako visits a marriage consulting office, but the counselor there is a shinigami who forces a contract on her and... more>> tells her that if she can't get married in a year she'll die. Because of her selfish and ill-natured personality combined with her lack of experience in relationships and the arrogant view that she'll be able to effortlessly find the dream partner without spending the time or money, the system calculates that her chance of success is 0.03%. So that she can live to see the future of her favorite 2d idol group, she accepts the challenge. <<less

From Xilang to West Lang Sophia, the haughty Princess of the Kingdom of West Lang, was reduced to a lowly maid! Trampled on and humiliated, the reality she’s faced with is a harsh and cruel one. ... more>>

However, relying on nothing but her wits, she rises up against the odds. Will she be able to take back everything that once was hers… and more? <<less

A powerful sorceress, Felicia Rand Philistin, once tried to conquer the nation of Shurian. In her wake of terror and destruction, a single man stood up and rebelled against her oppression and domination. The people called him Maian the Brave (Yongja Maian) and it was he that sealed the evil sorceress. ... more>>

A thousand years later, Fenix Maian in a strange twist of fate releases the sealed sorceress that his ancestors have tried so hard to keep imprisoned. Now he has to keep the sorceress from taking over the world once again... <<less

The solo priest Mo Chuan accidentally summoned and created a pact with a beast that has been sealed for a few hundred years. Mo Chuan,... more>> who wants to seal back the beast, and the beast, who wants to get rid of Mo Chuan soon engages in a push and pull fight. But in the process, changes occur and feelings quietly starting to arise.... <<less

Jeong Hyun and Han Seong were friends, but ended up having a "contract relationship" due to Hyun's confession. Hyun, who has a dream where he... more>> breaks up with Sung(Seong), will later find out that it was a prophetic dream...?! <<less