Every time she opens her mouth, it's nothing but abusive language, and her problematic behavior never stops. The protagonist has had enough and sets a “plan” into motion…??!

The main character is Kyoutarou's older sister, Ichikawa Kana… commonly known as Onee! She has lots of female friends, but of course she doesn't have a boyfriend!! Featuring that older sister, this is a regrettable romantic comedy that seems like it's going to start being a romantic comedy but doesn't!!

A bitter and painful adult's life needs "friends".

Set in a game company, Rihito Otsuka (23), who is "normal" in both work and socializing, and Noa Saotome (27), who goes all out with everything she does. Two characters whose lives aren't supposed to intersect become "friends" by chance...? A little sweet and slightly heavy "office" friends "comedy" start!

A "fearsome psycho-thriller" centering on "the dark side of adolescence." The manga centers on Kyōtarō Ichikawa, a person at the very bottom caste of his school, and who hides murderous impulse that lurks at the very bottom of his soul.

The once legendary hitman "Nighthawk" is now a washed-up, 33-year-old, alcoholic, chain-smoking NEET. Will she ever make her comeback?!

The protagonist Kim Chulsoo works his ass off for a living as a manual laborer in real life and by grinding for and selling items in a game.

He finally gets the chance to switch to a hidden class, hoping for that one big shot in life…!

But the hidden class turns out to be... a Goblin Summoner?!

Story centers on a boy named Tokio, who lives alongside other children inside a beautiful wall. One day, Tokio receives a message that says "Do you want to go outside of the outside?" In a heaven that has begun to tear itself apart, a group of boys and girls begin their adventure.

Dan Woosung, a man who once roamed the murim relying solely on his fists, met his sudden end at the hands of the demonic faction.

He then finds himself in the body of the eldest son of an affluent merchant group named Eunha.

"I don't seek freedom from debts or grudges. Debts must be repaid. Grudges must be settled."

Though his new body offered only wealth, Dan Woosung rises again, backed with vast riches and the martial prowess of his previous life.

Now, he returns to the path of vengeance.

One day, a dull young man from Japan gets caught up in a heroic summoning and goes to another world. The next time he wakes up, he's not in a castle with a king, but in a deep forest since the summoning failed! You'd think he'd be at a loss, but he starts living a life of survival with a positive attitude that doesn't involve deep thought!
Then, before he knows it, he saves the cursed forest and magical beasts one after another with his magical powers, and is befriended by wolves and dogs in a healing paradise! However, he doesn't realize that they are actually legendary demonic beasts and spirits at all. What's more, that they are adored! A positive young man unknowingly plays with the legendary magical beasts, a heartwarming and misunderstood fantasy begins!

Hatori is an average teen boy with no passions in life. One day he meets Furuta, a girl with a keen eye for the extraordinary that's hiding in the streets where they live... Small wonders can change the world in this (extra)ordinary coming of age series!

Martial artist Cha Moo-yeol falls for President Chang's manipulations and becomes a vegetable while competing in mixed martial arts. He is then used by the chairman as part of Jang's makeover. When he finally dies, he is possessed by the body of a high school student of the same name.
A hard body with S-class durability. A status bar ability that allows him to improve his martial arts skills, but this time it's different.
With his unfulfilled dream of becoming the strongest, he begins the fight for revenge against the president.

Sacheondanga was a famous family of poison and memorization, but has now fallen.
Yeon Myeong, who was born there, suddenly became crazy about the sword.
I awaken to my past life where I reached the state of swordsmanship.

'I want to live a normal life this time.'

If I wanted to live a normal life, I would have to hide my swordsmanship skills.
But there are too many things that get in the way.

After experiencing an accident in the military, Kang Jinhu gained the ability to foresee the future.

He decides to use this ability to invest in various companies and make money, aiming to become the world's number one investor.

How far do the limits of his foresight extend? Beyond investments, it touches economics, politics, corporations, and even global affairs. From now on, he’s reshaping the world of finance!

It's been blowing up on Twitter, the two who are the polar opposites of each other meet (?). An almost-romantic comedy series is going to start!

A scout in the infamous Demon Cult, Seolhwi is on a routine patrol when his squad unexpectedly encounters a fearsome master of the Mount Hua Sect, the sworn enemies of the Demon Cult. Without warning, the Mount Hua Cult master slaughters the entire squad. As Seolhwi lies dying, lamenting years of service to the cult with nothing to show for it, he is suddenly faced with a video game prompt, asking if he would like to start again. Given the opportunity to start over and make different choices, Seolhwi vows to survive and become stronger so he can rise to the top of the Demon Cult.

...You did read the title, right?

Kim Sang-hyun dreams of becoming an idol but carries the fatal label of being a former school bully. One day, he receives an offer from a major entertainment agency manager and takes a pill that transforms him into his past life's appearance. However, his reflection in the mirror reveals a stunning beauty... but as a woman?!

Federal Informant ‘Baek Yisu’ and a criminal gang’s boss, ‘Baek Dogyeong’ are twin brothers.

With the same faces the two twin brothers have lived different lives until now. Yisu, who’s been betrayed by the gang, throws away his identity to become his brother. This federal agent is soon to become the gang’s boss…!

Zhuo Yifan was a magic emperor or could be called a demon emperor because he had an ancient emperor’s book called the Book of the Nine Secrets, he was targeted by all the experts and he was even betrayed and killed by his students. Then his soul enters and comes back to life in a family servant boy named Zhuo Fan. Because some demonic magic is holding him back, he must unite the child’s memories and cannot ignore the family and the mistress he serves. How can he lead this descending family back to the pinnacle of this continent!

When the Devil King announces his retirement, he calls forth his two sons, Yomi and Sora, to give them each a quest. Whichever of them finds a pure Yamato maiden within a year would inherit the throne of the Devil King, while the other would die. Thus begins Sora's sex-fuelled adventure to find a woman that can satisfy his father...
(Sakigake!! Otokojuku Wiki)