Kimi no Iru Machi:http://mangapark.com/search?q=kimi-no-iru-machiPrincess Lucia:http://mangapark.com/search?q=princess-lucia

Yoningurashi shows the family life of the Hondas; Tarō, his wife Chiharu and their two children Yuri and Kotarō. A light hearted story on everyday life and their problems.

The story set in the contemporary South Korea. Some 30 years ago, unidentified creatures appeared out of nowhere and have attacked people. They have caused massive destruction wherever they go. The monsters are called "Trouble"s, and get the world have fallen into chaos. Along with the first appearance of the "Trouble"s, some number of humans were born with or acquired supernatural abilities. These mutants called "Trace"s are the only ones who can fight the "Trouble"s. The "Trace" are also considered freaks and generally shunned by the community because some of them misused the powers for their own interest. The plot revolves around two main characters. Sa Ghang-Gwon, a high school student born as a "Trace" who attempts to hide his ability. The other is Kim Yun-Sung, who acquired his "Trace" abilities during his early 30's. Webtoon from Daum

A bunch of school kids live in a world where people wear swimsuits all the time, as everyday clothing.

From MangaHelpers:
Ever since reading an article on a festival for the male genitalia, Mochizuki Yumeko can NOT stop thinking about the penis. It's not that she wants to have sex. She is just feeling this uncontrollable fascination with the penis. The only problem is that she has never seen a real penis. To satiate her obsession of witnessing a real penis, she looks into nude modeling. Now, she succeeded into convincing the timid, and only, member of her school's art club into nude modeling for her. Her journey into avant-garde male genitalia art beings.

Amagane Rinne, an up-beat schoolgirl, has died. Even though she is dead, she still has to go to school. But if she's dead, where would she go to school? In Hell, of course! But making friends in a school filled with demons isn't as easy as it sounds....which it doesn't sound...anyways, with dark artwork, and cool characters, this manga is a must-read!

From Wikipedia:
Usagawa Rinne, a normal female high-school student, spent happy days with her lover, Sakaki Guryuu. However their peaceful days were suddenly shattered. On the night of Sakaki's birthday, Sakaki witnessed Rinne's death after her eye was gouged out by a girl named "Gankyuu Eguriko"...

Long before the dawn of man, savage dinosaurs roamed the Earth. Now, only one remains — the smallest, wildest of them all! GON marches across the wilderness defending the friendly and furry from the mean and hungry. Told entirely without words, these stories highlight the amazingly detailed art and visual storytelling genius of creator Masashi Tanaka.

Got an additional chapter in Afternoon 2013-11 (to promote the CGI show), and a spin-off in 2006 called "Gon-chan" in Comic BonBon that lasted until 2007.

Bando Eiji is a hitman (though he hates to be called as such...) with more than a few screws loose.
This 3 chapter mini-series from the creator of Hellsing follows the escapades of the demented Bando as he picks off one target after another whilst simultaneously confusing the hell out of onlookers with his unhinged mental disposition!

A one shot about the intricacies of forming human life.

A one-shot about a typical Shoujo manga character living in a Seinen world.

How to create a light novel #1: Character. This is how Kirino begins her project of writing a light novel. She finds Suzuha standing outside and finds her attractive and asks her if she could be her model for her light novel. Kirino claims that she wishes to receive the rookie award, and top the popularity of the Haruhi light novel series. Suzuha declines, but Kirino refuses to give up and constantly stalks her to obtain as much information as possible about Suzuha. A hilarious comedy of unexpected events and sexual jokes begins here!

Hinata is a student at a prestigious all girls private school and looks up to Tsugeyama Saki, the shining star of the school. As the younger sister of Saori, the head mistress of the school, Saki is the most popular girl at school with her warm personality, beauty, top academic skills and is pretty much the perfect girl.

Hinata suddenly learns that her parents got extremely into debt, fled the country and pretty much left her out to dry. The headmistress Saori, out of compassion and seeing Hinata's importance to the school, makes Hinata an offer to become a butler in return for providing room and board for her. Not having much choice, she accepts and is assigned to none other than Saki. Hinata soon finds out that Saki puts on a façade at school and is not the perfect girl everyone thinks she is.

Based off Dororon Enma-kun but with the genders reversed! Also has an extra story.

What to do when a popular idol gets food poisoning and can't leave the toilet, as she's debuting as a radio presenter? You find the sound-alike part-timer at the radio station and get her to stand in, of course...

From Yen Press:

Momoko is the only child of the Kuzuryuu clan, a powerful martial arts family with inhuman strength. But strong as she is, her father fears a woman will never be able to master the skills of the family. Unless Momoko marries and bears a capable heir, the Kuzuryuu line is doomed to weaken and die off! With this mission in mind, Momoko is sent to the rival Inuzuka clan, where she is to marry the son of their mighty leader. But Koushi Inuzuka abandoned the martial arts long ago. Now committed to his legal studies, the last thing Koushi has on his mind is marriage — especially not to the world’s strongest bride!

In the Middle Ages, jousting was a duel between knights who put their prides on the line in an effort to take down their opponent in one sweeping blow. Even with the changing of time, jousting is still being done. In one country it has gone from "duel" to "sport" and everyone, girls as well, is encouraged to become knights and take up the sport. One girl, Celia, is no exception. It was through jousting that she met her first love, a jousting student named Takahiro in her youth. However, before she could talk with him, tragedy struck in the form of a jousting accident and he returned to his country before she could approach him. Years pass and Celia has become a strong young woman. Attending Winford Academy, she studies the art of jousting as well as how to become a knight. It is a new school year and she sees Takahiro among the new students. Will she be able to approach Takahiro this time? Will she become a knight? Only time will tell as the story unfolds.

Jun Asuka is a member of an aristocratic family that has a tradition of marrying off its daughters once they reach the age of eighteen. For the athletic and independent Jun, this is a fate worse than death, and thus she escapes the castle with her servant, Kurata Onami. But escape, it seems, is not so easily achieved as her mother has sent a gaggle of goons to not only retrieve her, but to take her virginity as well. Will Jun's purity and kick-ass fighting skills save the day, or will she be screwed -- literally!