Regret is the bane of old men. When aging Alliance Lord Hajin Cheon of the Grand Martial Alliance reflects on his immense legacy, he finds that he recalls little of his deeds or even the lives of his closest advisors. Stricken by a mysterious ailment, Hajin suddenly passes away only to wake up in the body of Ridan Byeok, heir to the Byeok Clan of swordsmen. The only problem is, Ridan is a well-known wastrel, the polar opposite of the virtuous and stern Hajin. Righting the wrongs of his predecessor, Hajin begins to uncover the truth behind his death…

[Welcome to Murim Online, the world where the strongest reside.]

[Your device has malfunctioned, and logging out failed.]

[Would you like to attempt to disconnect once more?]

[Yes or No]

When he tried returning to virtual reality, the place he logged into was instead the “real Murim.”

A once-in-an-era psychopath fell into the Murim due to the Grim Reaper’s mistake.

Dong Bongsu's merciless fangs cast a shadow over Murim, which is rife with schemes and malice.

In middle school, Konoha Satou dreamed of escaping into a world like that of Dark History, a romantic fantasy novel she wrote telling the story of the count's daughter Konoha Magnolia and the knight she falls in love with. Years later, her mother rediscovers that novel - only for Konoha to get hit in a traffic accident and die!

When she opens her eyes, she finds herself in the world of her own creation as the heroine's younger sister, Iana Magnolia. Somehow, she's been reborn as the character she created to be the greatest villainess of all time?!

Ghost-seeing School Boys oneshot included in volume 1 as chapter 3.5

Kimihiko Kimizuka, a young man who four years ago became the assistant of a mysterious detective known as "Siesta" on a hijacked airplane. Together, Kimihiko and Siesta went on mind-boggling, globe-trotting adventures while combatting a secret organization, but all of that came to an end when they were separated by Siesta's death. In the present day, Kimihiko tries to return to an ordinary, boring life as a high school student, but things are never that simple, even though the detective is already dead.

A HEAVENLY ENCOUNTER!
Mahiru is a beautiful girl whose classmates all call her an “angel.” Not only is she a star athlete with perfect grades—she’s also drop-dead gorgeous. Amane‚ an average guy and self-admitted slob‚ has never thought much of the divine beauty‚ despite attending the same school. Everything changes‚ however‚ when he happens to see Mahiru sitting alone in a park during a rainstorm. Thus begins the strange relationship between this incredibly unlikely pair!

Saitou is an ordinary handyman that gets transported to another world where his skills are very useful. He starts to really understand what it means to be needed.

At a rural junior high school, a man and a woman vowed an eternal friendship. The relationship between the two who became a fateful community toward one dream-two years have passed without any particular progress ...!

Yuu Natsume, a flower-loving plant boy, and Inuzuka Himari, a girl who hasn't been in love for the first time yet, have been peacefully close friends in the gardening club with only two of them.

The journey of a genius girl who became immortal to grant her dreams of being bred to different species of creatures in order to fulfill her curiosity.

Licht, a young man who has the special ability, [Resurrection], makes his living as a member of an S -Rank Adventurer's Party.

However, the King, who feared his power, ordered his comrades to betray him, and in the end, executed him in an unfair manner.

But Licht, who was fortunate enough to be revived because of his own skill, now swears to carry out his revenge on Humanity…

One day after summer break, the perfect young lady, Sana Tsukuyomi, showed up at school as an undead. As a school health committee member, I, Hiyoshi, ended up helping her navigate her daily life, despite her movements being as stiff as a corpse’s… A school romantic comedy featuring a heroine who’s both scary and cute!

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…??!

Remake of the Imperial Grail War from the Koha-Ace manga. The protagonist is Akagi Kanata, who gets transported 75 years to the past to participate in a Holy Grail War in the midst of World War 2.

Sai Suzuzono, chief of the Science Club, spends all of her time developing crazy experiments to satisfy her curiosity, like a real "mad scientist." The only one involved in the security of her antics is Ren Nagakura, the class committee chairman; but Ren, despite being the class chairman, is also little out-of-sync with other people (meaning: she's an idiot).

And with her, Sai's weird experiments always turn out even weirder...

Having survived an isekai for 17 years, 34 year old Ojisan (uncle) returns to modern day Japan. Takafumi, Ojisan's nephew, now gets to witness what throwing a die hard Sega fan into an isekai for 17 years does to various things and people, both past and present.

A man is stabbed by a robber on the run after pushing his coworker and his coworker's new fiance out of the way. As he lays dying, bleeding on the ground, he hears a voice. This voice is strange and interprets his dying regret of being a virgin by giving him the [Great Sage] unique skill! Is he being made fun of?

The story is about the forbidden romcom between 7 siblings.

From MangaHelpers: For the entirety of his life, Yokoda Takashi has been drawing erotic drawings and it has been his way of expressing his sexuality. And now, he has managed to become a successful erotic comedy manga author for a monthly magazine. His series stars a character named Aimi who is actually based loosely on his niece with the same name. He keeps his job a secret, especially from his family from the fear that using Aimi’s name in such a perverted way would cause hatred from everyone. But his manga’s popularity rises and gets moved to a weekly magazine where there are vastly more readers and it seems like only a matter of time until the truth comes out. Takashi has to struggle between protecting his secret while keeping up with the production and erotic creativeness that comes with a weekly magazine series. [vyc]

One day Kang Songhyun opened his eyes on the Azul Continent.
He didn’t know the reason.
When he woke up he was no more in South Korea.
He’s thrown into a fantasy world.
‘Why did I come to this kind of place?’

At that time, the status window pops up in front of him
[Your job is ‘healer’?]

But among his skills…
‘huh? …No healing?’
That was the beginning of the life of an unlicensed healer. A healer who does not know how to heal.

Kang Songhyun is good at everything except healing
In a fantasy world as an unlicensed healer his story of survival begins.

Hyeonseok Choi finally becomes the undisputed heavyweight MMA champion of the world, but gets hit by a truck, and dies.

A fairy, Rahel, appears and convinces him to fight as a hero in the afterlife, but accidentally sends him to the side of the demons.

Stuck in the demon world, he sweet talks his way into positions of power, but slowly discovers this battle between good and evil isn't as clearcut as it seems.

After a prophetic dream foretells her sister’s death in a political marriage, Arasilla Hugo takes matters into her own hands and marries in her place. Her groom? Demian Vandermeer, the knights’ captain and the brother of her sister’s former betrothed. The only problem is that mages and knights are sworn enemies, and their sharp tongues and stubborn hearts turn every situation into a competition. Arasilla races to save her sister from a tragic fate, while Demian fights for the dukedom. Will their rivalry stay just that? Or will their contractual marriage burn into something more?