This is a romantic comedy RTA manga in which the protagonist reads the signs and makes a preemptive move to make a girl with a problem happy in every parallel world.

A manga adaptation of the School Idol Diary Special Edition.

In an unexpected turn of events, Toki, a high school boy, started dating Fumi Munetsugu, the school's superheroine. After hitting it off to a good start, they faced the next hurdle in the path of romance: a kiss.

Completely out of his element, Toki was unable to go for it.
The fate of the world, however, depended on it...

After dying in a traffic accident, I find myself standing near an unfamiliar lake. My body won't move, I can't hear my voice, and when I try to shout in confusion, words that I never expected come out!"Get one free with a winner."I-it seems I've turned into a vending machine...! I can only do what actual vending machines can. It's impossible to move by myself, and there's no way for me to have any meaningful conversation-how am I going to survive some fantasy world's dungeon like this?!

(Source: Yen Press)

Biorg Trinity follows Fujii, a high-school student who is in love with Enomoto Fumiho. He lives in a world where people are touched by a rare "illness" called the Biorg Bug. One day Fujii catches the bug which makes holes in the shape of hearts on his hands. What will happen to him now?

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.

High school girl Miku confesses to her childhood friend Kyouko, asking that she give her reply before they graduate. Until that happens, however, Miku gives Kyouko the freedom to do whatever she wants with her.

The manga centers on Nagumo, a penniless college student who moves to a town filled with bizarre people.

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.

Being a teenager is never easy. Especially for a centaur! Himeno is a sweet, shy girl, who like many teens her age, struggles with the trials and tribulations of attending high school. The difference is she's a centaur; but she's not alone. In fact, all of her classmates are supernatural creatures, sporting either horns, wings, tails, halos, or some other unearthly body appendage. Yet despite their fantastical natures, Himeno and her best friends—the dragon-winged Nozomi, and Kyoko with her spiraled horns—are down-to-earth, fun- loving teenagers who grapple with issues of life and love in a mostly normal daily school setting.

Note: Won the 8th Comic Ryujin Award.

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?

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?

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!

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.

Sensei Hakusho is a behind-the-scenes look at the life of mangaka Yoshihiro Togashi who is well known for such hits as Yu Yu Hakusho and Hunter x Hunter. Written and illustrated by Kunio Ajino who was his assistant right through from Yu Yu Hakusho to Level E, Sensei Hakusho promises plenty of previously unknown details about this reclusive manga genius.

Kaijin are attacking! But luckily for the people of Japan, heroes are there to protect them, with powers that run on a rate of yen per second. For Hiasa Sen however, there are much more important things to worry about, like catching sales on groceries, and his many part time jobs, all to take care of his little sister. When danger approaches however, he has a secret power of his own, but it may be more trouble than it's worth.

In the year 672 of New Era, the much-revered stylist and sovereign King Sayet passed away, leaving three great outfits known as his “legacies” behind.

So great were his treasures that it divided the nations and plunged them towards a bloody future plagued with war. The nations desperate to avoid war, not wanting to ravage their lands, managed to agree to settle the matter using a styling contests for ownership of Sayet's treasures.

This styling contest was far more intense than anyone could have imagined, having lasted as long as 9 days, and being remembered in history as the “Nine-Day War”.

Eight years later, the war is over and peace has been established between the nations. However, things are not what they seem, and the wind of war has started to blow again.

Nikki, a normal girl from earth is summoned to this new world of stylist know as Miraland, as she may be Miralands' last hope to shift the course of the land's fate.

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!