From MangaHelpers:

Katagiri Yuichi believes that friends are more important than money, but he also knows the hardships of not having enough funds. He works hard to save up in order to go on the high school trip, because he has promised his four best friends that they will all go together. However, after the class's money is all collected, it is stolen! Suspicion falls on two of Yuichi's friends, Sawaragi Shiho and Shibe Makoto.

Soon afterward, the five of them are kidnapped, and wake up in a strange room with a character from a short-lived anime. Apparently, one of them has entered them into a "friendship game" in order to take care of their massive debt. But who was it, and why did they have such a debt? Could they have stolen the money from class to pay for entry into the game? Katagiri and his best friends will have to succeed in psychological games that will test or destroy their faith in one another.

Kang Pildu, a cold-blooded psychopathic prosecutor, receives the news of his mother's death. He finds out that the "Seonhwa Group" led by his father and older brothers was involved in her death. Thus begins his desperate revenge plot to bring down the Seonhwa Group.

The return of the famous teen detective, Kindaichi Hajime. With his keen intellect and sharp wits, there is no case he cannot solve, in the name of his grandfather!

Shirokawa Sasane (30) is a former trading company employee and a huge fan of Romance of the Three Kingdoms. One day, after losing consciousness in Chinatown, he wakes up to find himself in the form of a little girl. However, the new body he finds himself in isn't just any little girl, but the granddaughter of the infamous tyrannical Dong Zhuo, Dong Bai. In order to avoid the fate of being executed alongside Dong Zhuo, Dong Bai will have to use both experience as a Japanese businessman as well as knowledge of the era!

With tensions between the neighboring country rising signaling the presence of a war soon to begin, Soalla, the princess of a small country, worried whether her own country would be able to defend itself with its weak national power. The king was bedridden and the retainers who were her last rays of hope had nothing but the antiquated motto of battle honor in mind. Not one person had a concrete proposal to protect the country, leaving Soalla to wonder if this was where Favell would fall... However, it was then that Naoki appeared before her. A "magician," that left his name in history who possessed the power she desired to save the country.

Year 20XX, strange phenomena started to occur all around Japan. The best way to explain it would be a ''hole'' that connects different worlds to our world. Many otherworldly beings - magicians, demons, robots and other fantasy creatures started to appear on this side, with no way to return. With the time passing, Japan was able to adapt to this event and visitors from another world stopped to be anything unusual.
And so, an unlucky witch named Henrietta was pulled through the ''hole'' and ended in modern day Japan without a way to return. How will she be able to live in this different world?

I entered my favorite romantic fantasy novel! I may be a commoner, but I'm rich beyond belief. I quietly watched the romance of the main characters in the original novel, assuming I would go back to reality after reaching the novel's ending... However, even after the ending, I am still stuck in this world! As a result, I learned the behind-the-scenes stories that I didn't want to know. My favorite second male lead, Kaelus, died. Living in poverty without him, I eventually became ill and died as well. I thought I would return to reality, but I went back in time instead. This is definitely... This means I have to save my beloved, right?

Notes: The novel of this series was originally released as R15, 7 months after being completed the book/ebook was later re-released as R19. The webtoon will follow how the novel was originally released which is R15.

This is a story about a murdered lady, who then time travels and is reborn as the second daughter in a wealthy household. She was often bullied in her own household. After time travelling, she acts all frail and weak in the situations she encounter, while intelligently overcoming crisis after crisis. Even without a royal background, she is slowly but surely climbing to the top!

Anezaki Satoru, a Genius had his childhood friend murdered and raped, he then tracks down her 15 killers and he murders them, he then gets sentenced to death for his crimes of murder, after being executed though, he found himself in a parallel apocalyptic world...

Following the death of his daughter, Assistant Inspector Yamada has lost hope in everything, and jobs like closing under-aged prostitution rings don't exactly help matters. But there he meets a girl who looks alarmingly like his late daughter. Her name is Umino Shiori, a runaway girl who's desperate enough to sell herself to escape her house but won't tell anyone why.

A sugary-sweet romantic comedy between a cool-as-ice scion of a distinguished household (*otaku*) and a lady of the most refined upbringing (*otaku*)!

*This is a loveless marriage.* After Tsuyuri is made aware of this by her husband Kouichi, she proceeds to happily indulge herself in a carefree otaku life.
But on the day she decides to attend the live show of her oshi, at the venue, she encounters Kouichi in a most unexpected form–!?
In this marriage of convenience between a couple from unique circumstances, their newlywed life packed full of new experiences will make their hearts race nonstop!

Ritsu inherited his sixth sense from his grandfather, along with a demon guardian named Blue Storm. Strange things just seem to happen around these two, and it's left to them to get to the bottom of all these mysterious events. Each story is independent but features recurring characters you'll come to know and appreciate as they, each in their own way, try to deal with things 'not of this world'.

Note: Won the Excellence Prize of manga section of Japan Media Arts Festival in 2006.

The nameless ‘monster’ that everyone has heard of at least once. Appearing before him, who suffers from loneliness, was a girl named Sion. She named him ‘Ren’ and offered to help with his life. Thus begins the life of Ren, a artificial human, to imitate ‘human’… This is the story of the monster created by the famous doctor, Victor Frankenstein.

"Will you stay over at my house starting today?" Riku Kuromine, a second-year high school student, became despondent after being rejected by his childhood friend. He happens to enter a convenience store and saves a clerk who was being attacked by a robber. The clerk turns out to be Ayana Hoshimiya, the most popular and beautiful gal in school. As a result of this incident, Ayana asks Riku to protect her from a stalker and they start living together under the guise of him protecting her as she lives alone.

Do Kyunwoo is the black sheep of his renowned swordsman family. He cannot even catch a rabbit on his own. On his first day of fifth grade, he meets a tranfer student and recalls his past life.

He had reincarnated into the world of a game he used to play called [Brave Hearts]. He was already frustrated that he had reincarnated as a loser, but on top of that, the transfer student is an intermediate/mid-tier boss who will destroy the world!

“Why are you being so nice to me?”

“Because I want to be friends with you.”

Do Kyunwoo’s plan is to become friends with the transfer student in order to prevent the end of the world!

In order to survive in this new world and to reach an ending he desires.
He becomes best friends with the mid level boss.

Japan has entered a new era called “Reiwa”, after moving past the Hesei Era on April 30th 2019. It is in this era, past the time of people like the legendary Akagi Shigeru and others like him who gambled on mahjong for a living, that a new gambler has arisen known only as “Yami-ma no Mamiya”, which in English might translate to “Mamiya of Mahjong's Darkness”.

From 87 Percent Translation:

Reiji Saeki living in the north eastern countryside town lost his life in an accident during summer vacation. .....But before he knew it, a mysterious ball of light exist in front of his eyes in a world of whiteness. Being a magician from a parallel world, that ball of light is looking for someone qualified to inherit the magic they had created to prevent it from being lost. Reiji who took on that suggestion lives in the parallel world, Elgin, with a new body and powerful magical power.

Born as the illegitimate second son of Loxollum’s king, Iblonde is sacrificed by his pagan mother to ensure that one day, he sits on the noblest seat in the kingdom. A few years later, Iblonde has started a new life as Abel, a serf of a baron’s domain. Aside from his tragic past, Abel harbors many secrets, including the fact that he is actually a girl. But the greatest secret of all is that Abel’s resurrected body is now occupied by Belial, the seventh king of hell, who has come to slowly plague the land...

About a mother who has lost her child and her former classmate. Going through her son's bookshelf, she has convinced herself that her son has reincarnated in another world and wishes to find a method to meet him, enlisting the help of her otaku classmate.

The urban exploration of two teenagers causes them to run into a mysterious "box", which encloses those infected with a virus called "deadite". In that city, there is a teacher named Katsuragi Zakuro. Which hides a secret...