Vampires have been defeated by Humans. A story about them wearing collars. Wait - you're mistaken, it's not like that!

Wu Sheyue is a cosmetic specialist/assassin. One day, her organization decides to kill her. Though she was stabbed by a knife, she didn’t die, and instead traveled back to the past, into body of a “crazy” girl. There, she uses her wits and skills to become the Empress.

In the vast expanse of space, inside a cargo compartment made of cold metal, I couldn’t help but acknowledge one thing: I had become an antagonistic extraterrestrial life form in an SF survival game.

This comedy manga takes place in a college girl named Yoshizawa's room. Her friends, Itou, Kitahara, and Nishida often stop by, and they run into funny adult-level problems. For instance, there is the day when her friends drop by while Yoshizawa's hungover in bed, and she suddenly realizes that she doesn't have on any underwear under the covers. Yoshizawa also has unusual problems, like her need for advice on drawing realistic penises in her manga, since she's never encountered one in real life before. There are a lot of quirky things that can happen in a college girl's home.

A romance story set in the Meiji era. Born into a prestigious family and blessed with good looks, Satoko is said to have a short life expectancy. But suddenly, her life is targeted by a mysterious killer...!? In order to survive on the spot, Satoko makes a "proposal" for the killer...!? - A young lady and an assassin... A contract marriage love suspense between two people who should never meet!

Delinquency has become a major problem among the youth, especially the high school population. Taking the matter into their own hands, the government has created a special school just for these troubled youths. Kang Hae Hyo, a seemingly normal high school student who is bullied frequently, somehow ends up in the school! He's not sure he belongs there, but something about him, and his past, may be discovered at this school...

In a world where the path to immortality is broken, Lu Cheng, a cursed travellers, becomes the only person who can attract the heavenly tribulation. At the moment of death, the mysterious system is activated, Lu Cheng is determined to become stronger and change his fate, and upgrade himself by crossing the tribulation! Sun, Moon, and Death …… is the end of the world? The most important thing is that the system is not only a way of life, but also a way of life. The heavenly dao slaughter mortal dust, floating life cause and effect between the fingers. A sword blade open chaos, three lives of fate and calamity to laugh! The road to immortality, starting from the sabotage!

An average romcom told from the perspective of the losing childhood friend.  Other things happen as well.

21-year-old pianist, Lee Si-yoon chooses to die pessimistically about his life that can no longer play the piano due to an accident, but he wakes up as Tatiana, a girl from a wealthy family who speaks a foreign language that he cannot understand. Is this a God-given opportunity? Or is it a curse? What's the big deal with the gender change? As long as your hands are intact, you can play the piano again! Let's make our dream come true as 'Tatiana'! 모스크바의 여명 / The Dawn of Moscow

After giving up his dream as a boxer, Park Kang-tae joined a gang. He was well-known inside the gang but got killed in the end. He had one regret when he died―Giving up his dream as a boxer. Did God know about his regret? In a world, where boxing exists in the form of pugilist games, Park Kang-tae pursues his unfulfilled dream.

From Overworld Scans: Jiang Hao Yi, a normal, high-school student who is extremely scared of getting into trouble suddenly becomes the Harem King of his school and gets confessed to by a bunch of beautiful girls!. The worst thing is, Jiang hao doesn't know any of the girls who confessed to him. What on earth is happening?

Reana lives peacefully in a small town deep in the province of the Earthside Kingdom. She has a loving father, an interesting job and the childlike trust in the people around her... But everything changes after she encounters a dying dragon. He is the last one of his kind and possesses the power which can shake the world - what a great titbit for others! And so Reana is thrown into turmoil, into the desperate search for answers - while the hunt after her begins.

I am the youngest princess yet I was discarded by my own family in the Imperial Palace at the age of ten. The Imperial family then lost their power and was caught in the flames of rebellion, and I was the first to be abandoned. Alone, cold and hungry, I lived on the streets until a kind couple took me in and I became Ethel, a commoner. Stella the princess was no more. Now, after 10 years, I have to return to the Imperial palace where I was abandoned, because my "family" wanted to see me. 'I need a replacement," my sister, the first princess, told me. “You'll replace my missing sister.” Of course, they don't even recognize that I am the real missing sister, since they never looked at me anyway. “That’s a tempting offer, but I don’t want it, princess.” “Are you sure you want to turn down my offer?” Her threat is so clear, but I might as well have my revenge and return the palace to play the role of my own substitute. I will humiliate these people who don’t recognize me, I will never forgive them. They'll try to win the heart of their princess who has awakened her powers, but this time I'll be the one to abandon them.“In the end, I’ll be happy” The splendid return of the abandoned princess.

The protagonist along with his step-mother, and 2 step-sisters(step-aunts) are summoned into another world where demi-humans are the rulers as saviors, but its not to fight against a demon lord, its to fight an Undead Apocalypse monsters called "Dead Mell" that have overrun the world and that can only be killed by using weapons made with holy silver. For that, a familia is made (group of 4 people) with them being the swordmaster that uses the holy sword, the guardian that uses the power of earth to protect, the healer that use the power of water to heal and the black mage that uses the power of fire to destroy. The role of the guardian, the mage and the healer is to support the swordmaster that can only kill the monsters. But to use magic powers one must offer part of your being as a sacrifice to form a contract with spirits, and the higher the sacrifice, the higher the power. Now they must choose who are the 3 that need to sacrifice part of their bodies to gain power and who will wield the holy sword.

I'm A Villainess, But I Picked Up the Male Lead / I possessed the most powerful villainess in a novel, Countess Edina. To be exact, the villainess who attempted to assassinate the male lead, took his heart, and sold it to a neighboring country. And so, I tried everything to avoid the male lead until I got his heart back. But then, I happened to find him one bloodied night. I tried to look away and just leave him there, but his condition was simply too terrible. Just this time, and only this time! I'll help you and pretend I don't know anything!' However, since this is the nth time I run into him, I think it would be better to just leave the male lead there next time. I'd rather just be nice to him for once, pay my debt, and get over everything! "No, I don't need your kindness." But I think the male lead despises me too much Can I survive all this? ****** "I still remember those days when you would poison me and send assassins after me." "Ohhaha" "Yet, once again, I still love the Countess." "Waitwhat?" The male lead, who saw me as an enemy just a year ago, is now confessing to me, the villainess. "Doesn't this make me seem like I'm crazy?" I was frozen and couldn't say anything, but it was I who felt crazy. "But that's okay. Because I am a crazy bastard." He whispered softly to me in a deep voice. It wasn't that I disliked how he'd changed Ha. This is all too much. He's exactly my taste- What should I do?

Between a recent move to Tokyo and the first day of high school, Rei starts his day filled with anxiety and insecurity. His nervousness accompanies him to the classroom, where amidst the classroom chatter, Rei is suddenly struck with a strange dream, followed by an aching in his chest. Once he wakes up, Rei is greeted by a small creature standing on his desk. Passing it off as part of his dream, Rei heads home. However, to his surprise, numerous other strange creatures of all shapes and sizes roam the streets, seemingly invisible to everyone else. With countless questions and the small creature from before trailing behind him, Rei's life is changed forever when he encounters a tall one-eyed figure, dressed in all black, smiling at him.

The story follows the High-schooler Futsu Jintarou, whose confession was rejected by his crush. His misfortune continues, as news of a gender-change disease turns Jintarou into a beautiful silver haired girl. The shock of it causes him (her) to try to escape from reality by playing the VRMMO, Clan/Clan… His game character Taru uses the same girl appearance as in the Real and the Alchemy skill, which most players call a trash skill. He meets lots of fellow adventurers, and becomes stronger within the game world of Clan/Clan’s slogan, ‘When one becomes an adventurer, they can fight, steal, control, explore, invent, create, and do anything as they like’. He meets a wide variety of adventurers that help him(her) grow, Taru hides what happened to his(her) appearance as a bug to his friends who also play the game, and hides the fact that he(she) had become a girl in real life. When summer break is over, he(she) will have to show their face at school. This is about one of the best National-class adventurers, the story of the Alchemist who won a war without even taking a single step. When a normal high school student suddenly turns into a beautiful girl, what would they do? The answer is to that is to become a net-game addict!

Having forgotten his keys, Tamao Hiroi a high-school student, returns home using the back entrance and is surprised to find a stranger in his bed… Soon he realizes this is no stranger but Ran Homura, one year younger, softball ace and one of the most beautiful girls at school! Hiroi watches her masturbating on his bed and instinctively does the same peeking through the glass door. He is soon found out though and a strange 'master/slave' relationship begins!---

Zatsuyou Fuyojutsushi ga Jibun no Saikyou ni KidzukuWimme Strauss is an adjunct sorcerer who provides support and does odd jobs. However, after defeating the master of the hierarchy, he is expelled from the party by the leader, whose pride is hurt. Wimme is at a loss, but his childhoodstalkerfriend Heidemarie finds him and recruits him for the biggest party, the Wings of the Dragon. "It's like a miracle fuhehe." He claims that his achievement is a coincidence, but it's only a matter of time before everyone around him realizes what he's capable of.

As she was busy bullying the honour student with the power of light magic, Maria Campbell, along with her friends, the fifteen-year-old daughter of a Duke Katarina Claes suddenly hit her head and remembered her previous life.<br><br>Thanks to those memories, Katarina realized that she was actually the villainess of an otome game that she had played in her previous life, with a struggle to avoid the destruction flags that would lead to her doom awaiting her...<br><br>Except, there's not even a year left before her destruction end!? The story of Katarina, who is on the verge of her demise, begins now...!

As a child, I fell into a strange dimension in a dream. In my dream, I was an adult, dressed in clothes I’d never seen before and wearing a ‘mask’. ‘Now, it’s time to roll the dice.’ And so the dream game that began with the roll of the dice, the ‘World of Eternity’, became my destiny and my life, perhaps even my world itself. As I rolled the dice with mysterious, nameless people, I was happy and joyous. Until I became a piece on the board myself.

A new relationship begins after a seven year reunion! After being separated for seven years between Hokkaido and Tokyo, a young man waits at the airport to reunite with his best friend. However, what arrives instead is a message from his best friend saying he will be late, and a mysterious beauty! The ever-spirited mangaka, Hiroki Ohara, makes his debut on Comic Newtype!

My Senpai Knows Magic manhua, This is a world where science and magic coexist. Here, some people pursue powerful magic, while others study eternal truth. The protagonist, Blair, a mathematician who came from a different world, with left-handed magic and right-handed science, kicked open the door to a new world! Academic Dean? Supreme Mage? playboy? , I want it all!

[From Baka-Updates]: Ueda Tomoharu is a cop manning a local koban station, and he’s quite happy with his job and relatively quiet life until he happens to run into yakuza member Gotouda Aki while chasing down an underwear theif…and is suddenly confessed to! Aki doesn’t seem bothered in the least about their ~star-crossed lovers~ status and eagerly dives into a super lovey-dovey relationship with his policeman, but Ueda’s about to find out just how dangerous it can be dating a mobster…in more ways than one.