What if you can restart your life with a different setting just like a game? DONG TAE always get bullied by his classmates, but TAE BIN, sits right next to him, is handsome and popular at school; and now, TAE BIN suggests DONG TAE to play a little game.
(Source: LINE Webtoon)

Denma is a Quanx, a special breed of humans who possess unique, superhuman powers. He used to be an infamous space villain, but he was tricked by a beautiful woman and found himself trapped in the body of a child - and he's been forced to work as a space courier ever since to get his real body back.

Denma is a fantastic tale of myriad space adventures that Denma goes through, filled with spaceships, ESP, high technology as well as insidious conspiracies and heartbreaking romance, all coming together to present a wonderfully constructed futuristic society controlled by greed, lust, and desire.

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.

As a result of her "vigorous attitude", Ritsuka is known as the tomboy of Sakuraya police station. While on duty, she was accused of a cosplay scandal. Later on that day, she discovers a girl who was raped by an unknown man in the men's bathroom. With her fellow cops, she and two other policemen from the Criminal Investigation branch - Daisuke Takaya and Eiji Itsuki - attempt to find the suspect.

A hikikomori gets texted 'help me' from an anonymous source. Feelings of heroism coax him to the outside world which and he finds has been badly damaged, with broken houses and bits of debris everywhere. He searches for survivors but all he finds are corpses and ghosts till he gets to his sister's body.The guy has esp so he converses with her ghost and she tags along in his attempt to find more survivors. Eventually they do find someone that casts a shadow, but they may not be as human as they seem.

After receiving a call from a mysterious lady called Shindou Yurika, Masaki, the main protagonist, learns that his elder sister died under mysterious circumstances. He obtains a Jazz CD from Yurika and plays it in remembrance of his sister. While listening to it he experiences soul traveling and dives into a, for him unknown, "psyche world". Later on he accidentally meets other souls and tries to find out what actually happened to his sister. Apparently Volume 4 will be the last one.

Hikari Kohinata is a cheerful 15 year-old girl who lives near the ocean and she spends much of her time diving as a result. On her first day of high school, she meets a teacher who also likes scuba diving. There's also a 16 year-old classmate, Futaba Ooki, who gets dragged along in Hikari's maelstrom as soon as they meet at school.

The story centers around Amaya, Iwasawa, and Uehara — three "annoying, spirited high school girls with zero motivation" — and their classmates. Their daily life is "what happens when there is nothing happening."

"I'm sorry I don't bear much resemblance - I love you."

Yamada Torao commits suicide after the loss of his lover and wakes up from suspended animation 250 years in the future. The android tasked with assisting him that treats him kindly and with tender care is the disappointing robot of his former lover at a "30% reduction"...? An intense future love story about a stubborn young man who learns to accept love and pursues his aspirations.

Kouda’s job in Tokyo didn’t go well and now he lives as a cafeteria worker back in the country side. One day, he meets Nojima, who moves into the neighborhood, and becomes close with him, but finds out he’s the leader of the notorious Nojima group! But contrary to his reputation, Nojima asks Kouda to eat with him every day, and he can’t seem to sleep by himself because of the rumors that ghosts might appear in his house.

A one-shot taking place after the destruction of the world by the Devil Moon. It's about a half-mage who works as the executioner of mages and a girl-mage who suddenly appears before him.

The child-like Hatakeyama Tsukushi returns to her hometown to attend high school.

Orginal webcomic

In the year 1947, the people of Shinjuku are down on their luck. With little money to buy food or necessities, some resort to gambling in order to survive. Traveling Tetsuya chooses to spend his time at Mahjong parlors where he is wiping the floor clean with his adversaries. However, Tetsuya meets the intensely-skilled Boushu-san, this is when he realizes that his skills are still lacking.

Note: Won the 2000 Kodansha Manga Award for shounen.

Chinmi's new arc, he along with his disciple Gunte are involved in an incident where a princess from neighboring country is kidnapped by bandits and brought to a bandit town inhabited by anti-government scoundrels.

Enter Kadokura Kyouko, grade school teacher, 33 years old, single. She has a gentle and caring personality and loves her job. Unfortunately she is only popular with her pupils, so her prospects of ever getting married seem grim.

Also enter Yamato Kazuki, university student, 20 years old, future goals: marrying Kyouko-sensei, becoming an astronaut (?). He's been in love with Kyouko-sensei ever since she became his homeroom teacher in 4th grade. Now finally an adult and having enough money to buy a ring, he decides to propose to her and she - in some way or other - agrees to become his girlfriend.

But even though theoretically a couple now, their teacher-student relationship doesn't seem to have changed much. What will become of this unlikely pair?

From Senpai Scans:

"Girls who like to lie, come to my salon." Arisue Rio firmly believes in the principle that "the outside is the most important." When she says that to male nail technician Nojima Yoshitsuki, he puts a specially made, cursed gem on her nails and told her: If you kiss a boy you don't like, then time will rewind.
Rio didn't believe it but after being confessed to by a suuuper cute kouhai, they started dating and kissed! After they kissed, time rewinded to the day before?!

From ryColaa:

There are mysterious masked-men trying to conquer the earth!! And to defeat them, the state started a project team called 'Rebirth Knight'.

Kang Chan, one of the strongest high schoolers, meets a girl named Chaewon and falls in love at first sight. However, Kang Chan hears from Chaewon that she is a member of the Rebirth Knights, and decides he wants to be a member too...

When the black blade roars, all who stand in its path shall be torn asunder…! What is it that Koinzell, the mysterious young boy who wields the sword with such exceptional skill, desires? The fight against the “Lances of Betrayal,” who were thought to have been defeated by the Seven Heroes, begins--And at battle’s end, only the shocking truth will remain amid the pools of blood.

The daily lives of an extraordinarily jealous (yandere) girl, Hiyori Koharu, and her boyfriend, Minoru Fujito Original Comic: http://www.pixiv.net/member_illust.php?mode=medium&illust_id=44979493 Motion Comic: http://mcs.ensoku.club/con/965?from=rankingBox&culture=en_US

China: 184 A.D., a time of great turmoil. A young drifter named Zhang Fei stumbles upon a slaughtered village and encounters the volunteer army of Liu Bei. He joins them in time to help in the defense of a walled city. But later, while attempting to save the life of a little girl, he's struck by an arrow and thrown off a cliff. Rescued by two wizards, he is revived and given great powers. But the price could cost him his very soul!

Note: the series appeared in Kodansha's defunct Young Magazine Uppers, continued in Flex Comix Blood and then transferred to Flex Comix Next.