An extreme marriage proposal!

When I wake up in a car accident, I'm in a distant future!? Feathers and horns... and from four beautiful boys who call themselves "gods".

"You are the only human female in this world. Please give birth to my child!"

Japan enacts a polygamous marriage system in order to revitalize its sagging economy as well as the birth rate. But to qualify, you must earn income substantially greater than the average, have completed some notable achievements in sports, arts, or the sciences, or have done some great deed that earned you the recognition of the nation. Our hero Asao Shouhei isn't rich, or remarkable in sports, arts, or the sciences, but on one fateful day, he rose to become a hero of the nation. And this is his story... and the story of the three women who love him and become his wives.

Huang Bei Yue is an assassin that gets transported to another world thanks to a mysterious jade, boundless beast!
Now she resides in the body of a 12 year old, who happens to be the king's sister, who is constantly bullied!
"Now how shall i take my revenge?"
Original Webcomic (Chinese)

Stranded in the desert, Liu Fu meets Yun Ge, a girl wearing green who came from nowhere sitting upon a snowy white camel. The two promise to meet in ten years. However, when Yun Ge goes to Chang An to see him, he has forgotten all about their promise, and on top of that seems to be in love with another beautiful girl. Just as Yun Ge is about to go back home, she meets Meng Jue. Just when Yun Ge thinks her life is about to get better, she is thrown into a world full of battling for the throne...

Yukino Amaishi signed a contract with God to save her sister. She was then reborn in a different world as Lefina Eilferia, the daughter of a duke and the Crown Prince's fiancée. After successfully completing the objective of giving the heroine and the prince a happy end, Lefina, who played the role of the villainess, ends up working in the castle as a maid.

Rei, the white gal, and Naro, the black gal, gets their classmate "Otaku-kun" involved in one thing or another.

You'd think the two of them were seductively tempting Otaku-kun, but the one who was interested in Rei was the black gal next to her, Naro...

The Yuri web manga that gained popularity, has announced that it's been serialized in a tankoubon volume with over 20 pages drawn.

Affection, betrayal, desperation -- love between grown-ups is never a rational thing. Sayaka, age 35, has lived with the perfect husband for ten years. Perfect, that is, except for his disinterest in raising a child -- she wants one badly, but just can't come clean to him about it. Instead she unloads her frustrations on her younger friend Rui at their favorite bar. They trust each other enough to talk about almost anything -- but Rui has a secret she can't even let Sayaka know about!

Takatsuki Souta is in love with his childhood friend Amanome Rikka but he has a problem; because of their parents' upbringing, their relationship is viewed more like siblings. So whats going to happen when he obtains the power of "Geass" through a mysterious book which awakens sexual desires in people around him?

The Wolf falls in love.
A dark fairy tale action starts.

From KCG Scans:
This is the story of Haruka, a girl who left the countryside to start her college life at Tokyo. She's secretly in love with her co-worker, Kurotaki, but she doesn't have enough confidence in herself to confess her feelings to him. That's until she meets Hikaru, a fashionist girl that's willing to help her. However, Hikaru's not what she seems to be.

Iijima Touka is a girl who loves the 2D world. She decides to move out to enjoy her time alone as a full-time fujoshi. What she didn't expect was to have company, a handsome man called Oku, who wants to live with her no matter what. What are Oku's real motives?

When playing a virtual reality game called Cang Lan, Xiao Wan gets pushed off a cliff. She ends up in another game world. What will happen to Xiao Wan?

From ShoujoHearts:

The protagonist, Ayumu, was secretly dating her superior at her company until he broke up with her. Though deeply hurt, she could not outwardly express it. Not long after, she began living with her well-liked co-worker, Yachi, at her grandfather's house. While living with the friendly Yachi-kun, Ayumu starts to change..

Heidi Nanzan dreams of meeting the perfect girl. So she comes to the girls school with one goal, to be a princess for her princess. At Choyuri Gakuen, it's girls as far as the eye can see.
A no-boys-allowed yuri comedy!

Summary from: Pinoymanga Scans
Kiriko and Takuto are cousins. They often spend a lot of time together. What no-one around them knows (including their parents) is what transpires behind closed doors when they are alone together...

Having been torn from the earth in ancient times, Planet Mamango is now re-approaching the earth after a lapse of 5 million years. One night, a private detective named Ban Shunsaku encounters a murder, and meets boy researcher Shikishima Kenichi, who holds the key to solving the case. Shikishima discovers that a stone from the Planet Mamango generates huge amounts of energy. Making a rocket out of the energy stone, Shikishima sets up an exploration team and departs for Planet Mamango. The rocket heads straight for Planet Mamango under the command of Shikishima, along with Captain Butamo Makeru, Ayame and Momiji, who are cabbages created by the captain, a rabbit named Mii, and Ban Shunsaku. In due time, the rocket lands on the Planet Mamango, where the group finds a “The Lost World,” an ancient environment where dinosaurs walk about and ferns and cycads cover the ground.

Note: The most widely available version (including the english one) is the 1948 one, directly published by Fuji Shobou. This is a remake of an unfinished series Tezuka wrote for the Kansai Kyouron Shinbun in 1946, which has been lost. He remade the series once again in 1955 for Bouken Ou under the title "Zenseiki Hoshi", but this version too has been lost.

Office Lady falls from a building is reincarnated into another world and ends up at the Devil Kings castle. Can she save him from the bad ending?

One day, the high school student, Kaoru Momota, saved the baby-face, big-boobed JK, Orihara Hime, who was being harassed on the train. It was love at first sight. However, this JK had a secret; she actually was a 27-year-old OL (Office Lady).

A sweet age-gap romcom between a high schooler and office lady.

Kobayakawa is an unsocial student who lives an extraordinarily ordinary life. His only talent is painting portraits, which he often does to relieve pent-up anger. One day, he meets a pretty and popular girl named Hoshino who has a secret that nobody knows except for her and her childhood friend. That is, until he stumbles upon it too by chance. Her friend had been putting make-up on her every day. Now it's his turn to keep this secret and help maintain her social life!

Lise, a knight and daughter of a baron of the Kingdom of Olwen, lost her life protecting the young imperial prince Egbert. After death, she wakes up in the future with all her memories! But somehow she’s become engaged to the imperial prince?

The story of a (Former) Lady Knight… trying to dissolve her engagement?!

A romantic comedy about a reborn Court Lady with a secret!