Rosalia, a Marquis’ daughter, for some reason only lived within the premises of the Marquis’ residence. One day when she was sixteen, she fell in love with a red headed knight who wandered into the garden by accident. It was at that moment the powerful Marquis’ daughter felt something trigger― A knight who is a reincarnator, but doesn’t realize that he’s a capture target in an otome game and the main villainess, who began to change once she met the knight.

The heroine who has been reborn with the knowledge of the game would be the fall of Rosalia, however, it does not go through according to the scenario…

“What are you?! You’re the villainess, aren’t you?”

“Villain? You think you could play such an outrageous role? I am a genuine villainess.”

From Lezhin:
Thinking she's all by herself on the last train home, Nayeon feels the urge to enjoy herself by fantasizing about her desires. However, a reflection from the train windows show that a mystery man is on the same train. He comes up to her and offers his business card. At the thought of seeing this handsome stranger once more, she takes his offer and arrives at a place called Peach Puff. What is this place? What are these people doing?

I, Ji Qing, crossed into the Gaowu version of the Spring and Autumn Period and the Warring States Period. You have a sword, I can't die! You have the magic of the world, I can't die! You have a nearly-godlike move, I still can't die! An ordinary person who can't die no matter what, how will I fare in this war-torn world of rigorous battles?

Haru-kun is a transfer student who moved into a new town with his mother. One day his mother suddenly turned into the same age as him.

When our hero, Matsubara Yuu, suddenly finds himself moving back to his mother’s home, a number of strange things happen to him. He meets Suzu, a beautiful girl who falls in love with him at once, even wanting to have his children. Even if he wanted to run away from the situation, his way was blocked by a huge cow attacking him. In fact, in all of these, he seems to be the cause… [translation from cover by rpapo]

Xiao Zheng was forced into signing a marriage and employment contract after a one night stand with the female executive of New Arcana Group.
During this time, he encountered many interesting female workers which he named them based on their unique characters…
Ice Goddess… Tyrannosaurus / Overlord Flower… Gentle Boss… Mischievous School Girl…

Makoto is a recluse (hikikomori) who gets summoned to another world. From the Goddess Liana, he's granted the "Truth Eye" aka "God's Eye". Makoto is now able to see various things, including the past and future, using this ability to live as an adventurer in a different world.

A sequel set after the ending of Gakkou Gurashi! which details the aftermath of the characters.

The story follows Miyamura, a young, unemployed man who has gone through a special experience, but lives an empty existence. However, one day he is scouted by EDC, a major game development company.

The strongest pilot in the skies of WW2! Rudel, Demon King of the Blue Sky! Join Rudel as he goes through fierce battles as a Stuka dive bomber in the midst of World War II as he tries to escape from the shadow of death!

Ryuunosuke is the heir to his father’s wealthy business that, due to a trauma, become a shut in.

One day, his father took him back in order to prepare him to inherit the business. Ryuunosuke finds out that he is required to date 10 women candidates whom one of them will become his wife.

Every woman has their own personal reason to be a candidate but one person will be dismissed after every week. Who will be the chosen one at the end?

When the housekeeping robot Caret shows up unannounced at his front door, college student Ikeda learns he has been randomly selected to participate in her creator's “Life Improvement Project.” Although He agrees to let Caret live with him based on her appearance alone, He quickly learns the truth — She can't be bothered to do any housework at all!
This is the daily life of a stubborn robot who can't do chores and her pervert roommate.

After the events of Subaru, the ballet dancer Miyamoto Subaru works in a German ballet company. However, after using pneumonia as an excuse to cancel at the last minute on her company's tour of Japan, she is forced to accept the damage she has done to her professional career. As she struggles with her sense of self-worth, she meets Nico, an amazing, handicapped ballet dancer. Nico lost his vision, in addition to his ballet partner and lover, in a tragic accident. Will Subaru be able to reach out to him, and help him to once again dance with a partner? In doing so, will she be able to find her own place in this world?

For the past ten years, I’ve had a crush on my childhood friend and neighbor who is two years older than me. Our childhood promise was to get married after I grew taller than her. Then why the hell is so hard for me to overcome the height difference!?

A childhood trauma has left Kusakabe Noboru, a college freshman in Tokyo, afraid of women, especially those with big breasts. Talking to them, let alone touching them is out of the question and it is no surprise that he is still a virgin. After another failed night to talk to girls with his one and only friend Takahashi, the two spot an incredibly large building called the Devil Ecstasy. They learn that it is a brothel and Takahashi convinces Noboru to use this opportunity to lose their virginity.

As the two pick out the girls, Noboru notices Meruru, a cute flat chested girl and chooses her while Takahashi picks the sexy Celine. Noboru’s fear of girls kicks in and nothing happens while Takahashi leaves happy. But when Takahashi dies the next day under unusual circumstances, Noboru learns the terrifying truth that the women at Devil Ecstasy are all succubi, waiting to suck the mojo and life out of the men who dare approach the brothel!

Girl who is only romantically attracted to snakes falls in love with her teacher.

Meet Asahi, a female college student possessed by a vengeful spirit without any of his memories among the living! This is the struggle of the two of them searching for his missing memories, a new-age über-stylish ghost battle manga!

Aptly described as "Da Vinci Code meets Jurassic Park," this story follows our go-getter protagonist, Lily, as she deals with spies, intrigue, action and conspiracy in a film noir-esque setting dotted with references to art, literature, film, history, science and many another geeky topic.

From Yuri Project:

Yuu and Haruka were inseparable during junior high but a cruel twist of fate put them on opposite sides of the class when entering senior high. Forced to spend more time with their other classmates, they decide to do something to keep their relationship special.

Web manga spinoff of Upotte!!