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?

Ercella lived a glorious life everyone envied, but died of an illness at a young age.

Before her death, she regretted not having become a proper mother to her son.

But somehow, she went back three years ago.

Ercella is living her second life.

I promise to be a loving mother this time.

However, is it too late?

“Now that you’re doing this, you’re just making me feel uncomfortable.”

The son only pushes her away and she realises that her relationship with the husband, who she thought was fine before her regression, wasn't actually...

The spam-mail boom of the near future: The great advances of technology, a new generation of improved systems, and ideal computer programs have caused a backlash. The IT world has advanced significantly to the point where humanoid "Spam" mails are causing trouble for their humans. In the near future, hundreds of thousands of spammers have caused incalculable destruction to the mainframe of the lives of everyday citizens. Enter "SM" Hunters to save the humans from our own creations. Can "Spam" ever be good?

From Udon Entertainment:

The Grim Peddler waltzes through fairy tales, giving the stories' inhabitants their hearts' desires. But benefactors beware, for his gifts don't always turn out quite as expected! Classic fables like Sleeping Beauty, Hansel and Gretel, The Frog Prince and more are turned on their side through the unexpected reversals and terrifying twists of this all-new series.

From StarryHeaven:

I’m Anna. I’m 14 years old and I’ve just entered the ninth grade. Sou and Hinata, who live in the same apartment complex as me, are my childhood friends and we’re all the same age. I thought that from now on we’d become even closer friends, but then Sou suddenly did that to me…!!

A collection of short manga featuring the same two unnamed girls going out with each other.

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…

Nogami kei is a high school boy who writes novels online for fun. But one day, his secret was discovered by the famous rich girl in school, Houjou Urara...! On top of that, she blackmails him into writing a romance novel for her own enjoyment... but in reality, Houjou was just a fan of his work!? And things continue to get complicated because Houjou can't be honest with what she says, which causes misunderstandings...?

Akari couldn't think less of her school's karate champ, Abe-kun, despite him being the national champion. He's giant, uncouth, and couldn't be more different than her sweet angel and childhood friend, Takuto. But when Abe-kun injures his arm protecting her, she takes it upon herself to get him healed—after all, the school's pride is at stake—but finds the tables suddenly turned when he confesses to her! Now she's the goal he's aiming for, and she'll soon find out how driven a national champion can be!

A boyish lady and a feminine young man. They share a very special bond, but everyday life issues threat their delicate relationship, could their love be stronger than society's prejudices? Meet Nobuko and her protective yet tender boyfriend Chiyohiko and the friends who accompany them in this crazy ride that we call "life and human relationships".

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?

ChuYu woke up to find herself in the body of a murdered princess almost half a millennium ago. She soon finds out that whoever wanted her dead was in her mansion. Knowing the history, she also realizes that the owner of her body will soon perish in a historical rebellion. Now she must defend herself in the depth of a forbidden city while preventing what is to come in her historical timeline. A palace epic filled with tactical battles and a hint of affection. Full-colour Web Comic Official Website: http://manhua.weibo.com/c/61087 (Copied from myanimelist.net)

Half a year ago, a giant spiderweb appeared across the sky. For a while, it got a lot of media attention. Eventually, when nothing seemed to be happening, people carried on with their normal lives, ignoring the spiderweb. Amedome Tsutsuji lives his daily life under the spiderweb. At school, people have nicknamed him "Ninja," since it's so easy not to notice he's there. Even automatic doors won't acknowledge his presence by opening for him. But he can see what others can't: aliens are coming down from the spiderweb, taking humans bodies as hosts, and eating people.

For that reason, he uses his ninja-like ability to carefully guard his crush, Mizuno, as she goes home from school. In other words, he stalks her, but with the best of intentions. He's determined to be there to protect her when the spider-aliens attack. To that end, he teams up with another, friendlier alien named Tsuda, who gives him a powerful weapon: a faucet. Will Tsutsuji be able to protect Mizuno from the parasitic spider-aliens with his trusty faucet?

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!?

When I noticed it, I was transferred to the fucking social game "Abyss Calling", which is said to be the worst collection system. Stand up as a summoner in a new world to accomplish what you left behind when you were a player!

After spending most of her youth fielding the attention of countless wealthy suitors, Suhee Kim finally finds true love with a steady boyfriend named Jinsu Han. But then tragedy strikes, and Suhee is murdered in cold blood.

To Suhee's surprise, she is immediately reincarnated as a baby girl named Sanghee Kim, who just so happens to be a princess! Plus, she is fully conscious of her past life. There's just one problem: in this society, women are seen as totally inferior, even princesses. Appalled by the treatment of women, Sanghee is determined to change the kingdom's patriarchal ways. Will Sanghee be able to succeed, or will she be stuck living her second life being treated as a lowly woman?

This is a world whose peace was destroyed by the Shadow Lord, ‘Secneum’. ‘Niro’ is a half-elf, half-human boy who lost his parents as a baby and was adopted by a slave couple. In this world, slaves are not treated as humans. Since Niro’s adoptive parents are slaves, they are mistreated and eventually lose their lives. Now Niro is alone once more, and must shoulder the burdens of his family and do whatever is takes to protect his two younger siblings. If Niro wants to escape this fate, there is only one thing he can do. He must graduate from the academy, ‘Excanum’ just like the current Emperor, ‘Muren’ who was once a slave!

From Girls in Boxes:

Mari's girlfriend, Arisa, loses her memories of the past three years, including all memory of their life together. However, it turns out that being crazy in love with someone transcends all realms of possibility.