Fortune Arterial's story revolves around the male protagonist Kohei Hasekura, who transfers into a prestigious public school--an English style six-year school, serving junior high and high school students. The school, named Shuchikan Academy, is on an island, Tamatsu Island, off-shore from mainland Japan, and the only way to get there is by boat. This is a series of characters' introductions to prelude the main story.

Naota's life isn't simple: he lives with his eccentric father and grandfather in a two-story house above a family-owned bakery in a town marked by a gigantic factory at its heart. The factory looks suspiciously like a hand iron, complete with a steam release at the top--not the most typical landmark. Life is already strange enough, but to top it off, his older brother's ex-girlfriend starts making extremely suggestive passes at him... and an impish, playful alien smacks him in the head with a bass guitar and then infuses herself into his family.

Jiga Kirishima lives in a time where the only sky the people know is the color gray and most of the world is wasteland and ruins, with a few people in power depriving resources from the disorganized weak and poor majority. With his father's sword, Jiga makes friends and enemies and goes on adventures while searching for others who share his bloodline.
Jiga's sword happens to be made of a rare material which a powerful organization known as Lost Eagle Nest claims to want in order to rebuild the world, but is that what they really want it for? They'll stop at nothing to take it from him, and Jiga and his friends now have a price on their heads.

From Tokyopop:
Hideki's just like every other guy in the 22nd century. He just wants a good job, a good car, and a sexy robot girlfriend to call his own. Until he lands a job, he'll never be able to afford his own 'Persocom' companion. Hideki's luck changes when he discovers Chi--an adorable but seemingly stupid Persocom--tied up in a pile of trash. His first robot companion turns out to be a lot more responsibility than he expected, and she gets him into quite a few embarrassing situations. It's 'boy-meets-girl' for the cyber age.

Foreign exchange student Alyosha Stalina has been attending a Japanese high school for 3 months. She comes from the nation of Solessia but she is yet to fit in with the other students because of her unfriendly demeanor and cold personality. Rightfully so because Alyosha is a trained assassin that has been murdering people since she was 5 years old. Officials in Estolakia, a country devastated by the attacks from Solessia, found the orphaned Alyosha and trained her as a top notch assassin to work against Solessia.

Her most recent and soon to be last mission is to murder the president of Solessia who is to attend the high school she has infiltrated for 3 months. However, the mission is aborted and she is ordered to remain a student. The only thing Alyosha knows how to do is to be an assassin and has never learned how to be a normal teenage girl. Will Alyosha be able to complete her most difficult mission yet?

Poor, in debt, and living on instant noodles, high school kendo instructor Kojiro makes a bet with an old friend on a practice meet between the all-girls’ teams of their respective schools. The prize: a year’s worth of free sushi! It’s too good for the desperate Kojiro to pass up! But with only one active member on the kendo team, Korjio must move quickly to put together a squad before the meet. He’s got his eye on Tamaki, the daughter of a kendo master and a skilled swordswoman herself. The only trouble is…she’s not interested. Kojiro’s willing to try anything, but what will it take to win her over?

Loner high school student Moribe Kyouya thought he was lucky to have the beautiful and mysterious new transfer student Baroque talk to him. The next thing he knows, he receives a love letter calling him to the roof, but the confession isn't exactly what he expected...

Nako is a poverty-stricken 21 year-old in desperate need of a job. She applies for a job at a jewelry store. When shop owner Ren identifies herself as a lesbian, the competition for the position evaporates, leaving only Nako. Ren asks her if her sexual orientation will be a problem, Nako sensibly replies that she's not interested, so she doesn't see any problem.

Atori has an unusual part-time job... she’s a demon hunter! After school, she hunts demons for a mysterious organization named N.U.E. To kill her enemies, she unsheathes the saber hidden within her hair. However, Atori is actually half-demon, but she has forgotten her past. Despite this, she's been able to overcome many difficulties as well as befriend those from both species. Unfortunately, her once calm life is beginning to quake as a terrible shadow now looms over her...

From MangaHelpers:
It's fairly obvious to Terui Chiaki that her classmate Ajikawa Yoshio has a crush on her. He is completely not boyfriend material in her eyes and, even if he was, Chiaki already has a boyfriend. Their mysterious teacher Mr. Yamada sees this relationship between the two students and offers an experiment. He is able to make copies of people and objects and does so with Chiaki, creating a copy of her, except the copy has no knowledge of her boyfriend. Yoshio will hit on the Chiaki copy, who is named Koaki, and he'll try to make her fall in love with him. After a specified amount of time, the copy and original will be combined back together and which ever love is stronger between the current boyfriend and Yoshio will overwrite all other emotions. So this love experiment begins and both Chiaki and Koaki, being the same person, thinks Yoshio has no chance in hell but with each passing day, some feelings begin to bubble.

Late one night when Jun was out on his bike, he came across a drunk, half-naked girl sprawled on the side of the road. She came to just enough to be uncomfortably affectionate, but Jun took her to his home to sleep it off with gentlemanly discretion. It turns out that she is Kawase Narumi, his author mother's new assistant. Unfortunately, she has no idea what she's doing in her new job, so Jun's going to have to coach her. He's also going to have to deal with her habit of getting drunk, mostly naked, and cuddly. Jun's life will never be the same! [From Baka-Updates]

Yona Ryouma, a normal high school boy, saves a man from another world at the cost of his own life when a mysterious earthquake occurs. The man, Emillio, uses a potion which apparently saves Ryouma's life. However, he is also changed into a girl in the process.

Emillio is actually the prince of this alternate world and he declares Ryouma as his wife, presumably on the context of saving his life. But what about Ryouma's life as a high school boy in his own world? And will he come to accept being the prince's wife?

When summer break ended, high-schooler Ichijou Hajime finds out that everyone in his class but him has gotten a girlfriend or a boyfriend! Hajime suddenly finds himself a loner but then Ninomiya Chitose transfers into his class...!?

Goto Nagi has travelled to the southern island of Okitsushima, and ventures out to see Umi no Misaki, a striking cape jutting out into the ocean. But when he arrives, he finds that there is much more to this cape than a wondrous view. There is something peculiar about the cape, and about the island's inhabitants.

This adaptation focus on each heroine based on the Amagami visual novel.

V.1 - NANASAKI Ai
V.2 - MORISHIMA Haruka
V.3 - SAKURAI Rihoko

Read some slice of Asuka-chan's normal life. And see how interesting some daily activites of a cute high schooler girl can be.

There is fighting going on at a high school due to a power struggle for control. A beautiful young girl, the granddaughter of the director, requests help from a tough silly young man renowned for his genius fighting style. At the same time, other beautiful girls appear from the same high school who also want him as a teacher. Will he help and if so, which side will he choose to support? Or will he just show his true face with his bad boy ways?

Loser Yarahata Kanji can't even have a normal conversation with a girl let alone have any kind of relationship with one. But one day a ghost named Aiya appears and declares that he has been tasked with the mission to change Kanji's life. At this rate, the Yarahata name will not live on so Aiya will become a love doctor and coach him on how to develop relationships with girls.

The first hurdle comes when he starts a part time job at a convenience store and sees that his co-worker is a hot girl named Yoshizato Saki who also happens to be the store owner's daughter. With the help of Aiya, Kanji, although stumbling along the way, has a conversation with her and builds a relationship. But he has miles to go if he wants to be the kind of person that can date beautiful women.

An espionage seinen manga that takes place in the era of Cold War. Ken, Dr. Hattori and Rosa, three different characters are forced to team up in order to protect Sphere of Salvation, a new technological miracle that is capable of changing the course of history. Whoever holds S.o.S. and masters all its hidden forces, will rule planet Earth.