From Wikipedia: Yui Kusanagi, is the daughter of a Shinto shrine. She discovers a mysterious sword, which transports her to a different world where she meets the Greek god Zeus. He invites her to attend a school in a separate world that he created. Zeus intends to teach the meaning of love to the various young divine beings who also attend the school, in an attempt to reverse the weakening bond between humans and the gods.

From TokyoPop (based on volume 1): The World at the Brink of Self-Annihilation The nuclear age has brought with it the arms race, which has led to the advent of weapons powerful enough to destroy the world itself several times over. Unwilling to take the plunge into Armageddon, the world powers, in league with a group known only as the Black Ghost, have developed super soldiers known as the Cyborgs, designed to fight the wars of the world in space. Unfortunately, the Black Ghost didn't ask the Cyborgs how they felt about their role in the new world order. This classic work from manga legend Shotaro Ishinomori (Masked Rider) not only told a thrilling tale set against a backdrop of Cold War tensions, but it also helped define the genre of super team stories such as Battle of the Planets, Voltron, and The Power Rangers.

Story about a Yuuka Yoshimi, a young girl working in a Eroge-making studio, learning how to...make a good ecchi CG

from Chibi Manga: Want to be spoilt by boys. I entered a school full of boys!?

From Shoujo Manga Maniac: Lin is an average high school girl who has a huge crush on Daiwen, a popular TV host. Super Pop singer Gonjieh, who is Daiwen's enemy, transferred 6 months ago to Mushroom College. Phoebe and Jia are Lin's best friends and luckily end up in the same class. Unfortunely for them, Lienze, the no.1 delinquent in her school and who scares the living daylights out of Lin, also happens to be in her class. To make things worse, Lin's uncle appears, who she says is the root of all trouble. How will Lin survive?

From Intercross: Ooji Subaru transfers from an all-girls school to a co-ed school so that she won't be away from her father. She has had recurring dreams of a beautiful and gentle princess, but she believes that this is because of her admiration of princesses. Upon entering her new school, she encounters three guys -plus her childhood friend- who claim to be...?!

Negi Springfield, a 10-year old magician, aspires to eventually become a "Magister Magi", a particular magician who, under the guise of operating under an NGO, utilizes his powers to help ordinary individuals. After graduating from the Merdiana Magic Academy in Wales, he could be delegated the job of teaching English at the middle-school, where his homeroom course consists of 31 daughters, each quite particular in her very own manner of Mahora Academy. The show details experiences and his time in Japan as he assists them in their troubles, attains approval and respect from his pupils, and confronts magic dangers from inside as well as outside Mahora Academy. Negi's main relationship is with Asuna Kagurazaka, room mate and his pupil, who dislikes him initially but after recognizes him as a friend and becomes his companion although all the women has her very own back story and character. He's also hunting for his dad who's called the Thousand Master. While initially seeming to be another romantic-comedy work featuring numerous bish?jo characters like Love Hina, the show, has advanced right into a mixture of sh?nen romance, fantasy, horror, action and comedy. Akamatsu said that he particularly wanted to do some thing "different" from Love Hina. Negi himself is prepubescent, and several of his scenes with Asuna are unique variations of the "awkward romantic scene" trend of harem manga, immediately defused and just played for laughs. Additionally, a lot of the girls are not unable to fawn over him in a childish sense with no expectations that are intimate in the reader [ study that is unique?] In maintaining this particular fashion, Negi himself is considered other typical male leads of manga as well as a comparison to Love Hina's Keitaro Urashima. He's hardworking, competent, and treated kindly, but due to his look and age (well below the majority of his pupils), he feels utterly non-threatening and finds it hard to be taken seriously as a teacher; several of his pupils handle him as a cunning little child, if not a playmate (or plaything)

Eita enters high school aiming for the National University School of Medicine. Because of his parents' divorce--and his goal--he shuns anything to do with romance or love. One day Masuzu, the school beauty with the silver hair, who's just returned to the country, enters his life in a most unexpected way. Chiwa, his childhood friend since elementary school, will not let this go without a fight.

The man with the hand of God. The scrub battle to become the best bath coordinator is about to start. Original webcomic

Aikawa Ayumu is a normal high-school boy, until one day he is killed by a serial killer. The necromancer Eucliwood Hellscythe revives him--but as a zombie. As he begins serving Eu as her guard, he happens to deprive a mahou shoujo (magical girl) named Haruna of her magic power. Haruna orders Ayumu to take her place and fight against anti-mahou shoujo system, "Megalo." From Yen Press: Life—or undeath?—isn’t easy for Ayumu Aikawa. A seemingly normal high schooler, he is in fact a zombie who serves as a bodyguard to an introverted necromancer. But his already complicated existence becomes even more outlandish when he accidentally steals the powers of a magical girl, transforming into one himself—complete with frilly dress and pink chainsaw!! How’s a reanimated corpse supposed to keep his head on his shoulders with roommates like these girls around the house?

Nemu is back home. What's gonna happen with Junichi's life after this reunion with his sister? "Da Capo" in Italian means "From the beginning"... then will we see the end to this romance?

From Manga-Heaven: The Soul Score... that is something not unlike the threads of fate which tell the story of a person's life from the minute they are born to the finale of death. Few people can see this score, even fewer can manipulate it. After being hit by a car and nearly killed, Kyosuke Hibiki can see and hear this mysterious soul score. Soon after, he meets a girl named Tena, a "tuner" who is able to manipulate the score and remove discordant notes to bring it back into tune. Tena is determined to make Kyosuke her pet, but Kyosuke is none too fond of it. Yet, the two begin their dissonant duet...

Abiding by his father's will, Shougo was transferred into an academy where many young girls attend. It appears as though his younger sister (separated from him at birth) also attends this academy, and that she is trying to get closer to him without letting know him who she actually is. Problem is, Shougo seems to be popular with the other girls as well! Can Shougo "properly" reunite with his little sister and while making a girlfriend at the same time?!

Yuuma is summoned back to his home island after the death of his mother and asked to become the next head of the wealthy Nuenaki family. He has certain misgivings though and rejects the offer. However after the current head dies not a day after his arrival, he has no choice but to become involved.

From MangaHelpers: Summoned into an alternate world of Alayzard, Ousawa Akatsuki helps defeat the demon lord, brings harmony back into the world and, under the demon lord’s last request, takes the demon’s only daughter back into Akatsuki’s own world. It turns out that being teleported into a different world is somewhat of a common occurrence. Those who find themselves back home often come back with the power to use magic and the world organization fearing people like Akatsuki created Babel, a school to teach and keep tabs on the magic users. Akatsuki is able to pull the demon lord’s only daughter into Babel as his sister, Ousawa Miu. A new chapter for Akatsuki is about to begin in his own universe. [vyc]

The protagonist, Yukimura Chizuru, is the daughter of a doctor who works in Edo. The father leaves Edo to work as a volunteer doctor and moves to Kyoto without his daughter. As time passes by, Chizuru starts worrying about losing contact with her father, so she decides to go to Kyoto in search of him. On the way, Chizuru is attacked by few criminals and witnesses a fight between an oni and the Shinsengumi. Taking her into custody and saving her, the Shinsengumi debate on what to do with Chizuru when they discover that she is the daughter of the doctor they are also looking for. So they decide to become Chizuru's protectors and help her look for her father(the doctor). Lots of events happen while she stays with the Shinsengumi, as they discover mysterious secrets and also fight against the Bakumatsu group. The story is overall romantic with a historical and political background. This is the version running in Sylph and not B's-LOG.

From Day of the River: “The person who killed my father...is among these people.” 15-year-old Kotobuki Ringo reunites with childhood friends she hasn’t seen in eight years since her father passed away: the calm and soft-spoken Shiran, the strong Kujyaku, the kind Masaki, and the energetic Gogyo. They were all students of Ringo’s father and all have amazing abilities of their own. Ringo comes to live with them at Shiran’s villa, but she’s not staying with them just to rekindle their friendship... She believes that one of them may be her father’s murderer, and she will stop at nothing to find out who was behind her father’s death.

A boy with female features is chosen by his drama club member to act as a fake girlfriend for their club, so they can practice on him before they actually get themselves girlfriends. This is series that started as a one shot and after a 1 1/2 year hiatus was given its very own series.

In the Beast Harem series: Volume 1: Rakuen Danshi - Youko is a normal high school girl attending a not so normal high school. You see, Youko's school used to be an all boys school, so after transferring to this school she is the only female in her class, and that surely can cause a few problems! She is being constantly teased by her classmates, especially by Mastsushima Soushi, whom she hates the most!But not everything is bad, Youko is in love with Narumiya Kouei, the only one who helped her since she entered the school. But if the one Youko loves is Narumiya, why does she finds it so hard to stay away from Mastsushima, who she 'hates the most'? - From Aka Roze Tenshi Volume 2: Gokujou Rakuen Danshi - Youko and Soushi start dating. However, summer break is approaching, and Youko has to be separated from Soushi. Not if Soushi can help it. He is working with Narumiya to save up for their summer vacation hot spring trip. Yet, shadows are coming to destroy the couple's love. Will this love rival succeed? Or will Youko and Soushi' relationship survive and have their first time? Volume 3: Jun'ai Rakuen Danshi - Youko and Soushi are on their lovey-dovey vacation. There, they meet Narumiya and his famous girlfriend. Youko prepares to give her first time to Soushi but finds it extremely hard due to sharing a bedroom with friends and the pain. Upon seeing Narumiya and his girlfriend together, Youko grows worried. Will Soushi and Youko have their first time at the hot spring? Or will Soushi get tired of Youko's immatureness and end their relationship?

Susannah is an editor. During a party at a book fair, she sees a portrait of a woman who is wearing the same red necklace as her. Intrigued, Susannah steps closer to the painting, only to be engulfed by a mysterious light that transports her 100 years back in time! To make matters worse, Kane Wilder, CEO of an IT company, who is convinced Susannah is his brother's mistress, accidentally travels with her!

From Shoujo-Sense: Ririko has been in the hospital for 10 years. During that time, she was writing a note for her wishes that she wants to fulfill. Will she finally start realizing those wishes?

Eru Yamada can't seem to get away from the supernatural. She's being stalked by a vampire. Her teacher is a werewolf, who also happens to think she belongs to him! As if that wasn't enough, yet another boy with supernatural powers shows up, trying to get her to fall for him, and she winds up with a rival in love who has dangerous powers as well!

It's the year 2269, and April Enus is working as a spy for the Alliance. She's known as "Venus" because of her special power: fatalities don't seem to happen when she's around. But is this power a blessing or a curse?

A young man finds and returns a lost wallet and cell phone to a beautiful young lady, thus begins the destined relationship between two strangers. Sound typical? Well then, how about making the young lady the young man’s future homeroom teacher, and give them both a twisted sense of right and wrong. And just for kicks, let’s have the young man help himself to a self proclaimed reward from the lost wallet before returning it… but of course, this scenario wouldn’t be complete unless the young lady was very unforgiving when it came to teaching one of her students a lesson on morals. (Source: Infinity Studios)