From Viz:
A hopeless geek, a beautiful woman, and a fast connection--could the Internet be his ticket onto the express train to romance?
A real-life thread on an Internet forum sparks a nationwide phenomenon! A nerdy otaku meets a girl on a train and posts an urgent query on the Web--How the heck do you talk to girls? What should he wear on their date? Where should they go? The forum's response was overwhelming, and the thread continued to grow along with their relationship.

Collection of crazy tales of love. 1) Electrical Shock Love Machine One of the most beautiful and popular girls in school, has zero interest in boys or romance. That is, until she meets Bansaku. He seems like a very average boy, unless one looks very closely... and Madoka does. She becomes so hypnotized by the little things about him that she loses her good senses, and when she regains them, she finds herself touching poor Bansaku, who has no idea what she's playing it! Madoka has spent her life dodging the unwelcome advances of desperate male love machines... Does Bansaku feel the same sort of disgust for Madoka's long-repressed, electrically-charged lust? 2) My Baby: Morimura Aki's handsome looks attract women by the thousands, but his violent manner keeps them all at arm's length. As an innocent bystander, Moe couldn't have cared less... until one of his outbursts led to her injury! Now revenge is a matter of pride. But when she exacts it, there's an unexpected result...? (No, really, you'll never guess if you don't read it!) 3) Like in Cinderella: When Chiyo lost her job and had to take on work picking weeds for the rich, she never expected to become like Cinderella. But when Yoshimune, the handsome young master of the Tokugawa Financial Empire, runs away from his "castle" with her, that's what Chiyo is certain will happen. But there's no guarantee that these two will live happily ever after, because this fairy tale isn't Cinderella's -- it's Chiyo's! 4) Don't Get Me into It: None of Ichirou's home tutors ever come back after the first tutoring session, but Takigawa Megu can't imagine why -- he's so cute! And... tied down in his chair!? It turns out that Ichirou is a complete and utter brat! Megu makes it her mission to prove herself superior to him, and Ichirou is actually impressed? Now, every time he gives her an inch, he gets her a little more into it. Before long, Megu feels like tutoring Ichirou... in the ways of LOVE!

From Forever More:

Kazuha, a naïve boy from the countryside dreamed about working under Hongou, who manages a restaurant in Tokyo. After cheerfully arriving in Tokyo, what awaits is a person who is totally different from the Hongou he admires. He never hides his temper and is a super selfish guy! While disregarding Kazuha's uneasiness, Hongo made Kazuha live with him?!

From Attractive Fascinante:

Miyashita sensei was always an overachiever, but his perfect life was disrupted when he met his desired-filled student, Jindou. Trying his best to keep Jindou back on track, sensei had to guide Jindou personally as well as to fend off his ex-partners. Love developed as time went by, but sensei kept a distance from Jindou by trying his best to maintain an innocent relationship between them. Would Jindou succeed in breaking down sensei’s territory?

Moka's brother Megu is returning from New York City where he lived with their father. Not only that but she is also interested in the subject of art. When she goes to the library she meets Masato-kun, whom she begins to like. But Masato-kun turns out to be a playboy. Will Moka's determination win him over?

From Dan of Population GO:

Three friends, Kotori, Yuuto, and Rin are trapped in school when the principal halfheartedly summons a horde of demons. The demons make a pact with each student in exchange for possessing them. Most of the students wished to be be good looking or to have longer legs, but Yuuto manages to stave off the possessed student body while Rin overpowers the weak demon possessing her. Yuuto makes a pact with a demon to return the school to normal, but what will happen to the school now that each student is being possessed by a demon?

4-koma Based on a Novel - Date A Live.

Because of an unaccepted mariage, Norika has only had his parents for family. Unfortunately after his mother had passed away, he had to grow up on his own and to take care of his ill father.
Yet, after 15 years of silence, here comes the brother of his mother asking Norika to come and sign in a school located on an island while he would be staying with his father.

But the drawback of this school is that it is divided into two parts : wealthy people and not wealthy people. Hence the strong rivalry that has been born and ruled by the president of the students : Norika's cousin, Yuusuke.

From MangaProject:
Imagine what it is like to be raised by a gay father who insists that you call him "mom". The main character turns out to be a woman who doubts her sexual orientation, until she meets the right guy. She is so sure that he is "the one," that she goes out of her way to pursue him and then marries him lightning fast! Essentially, the rest of the story is about keeping the chemistry (a little twisted and crazy though).

From Divine Sanctuary:
Yuzuki has a crush for her super kind and cool brother, but she has her heart broken when he brings his girlfriend home one day. The next day, by chance, she bumps into a guy who looks exactly like her brother! What is this feeling that she has for him? Is it just because he looks like her brother, or is it...?

Volume 1: Rio was living a perfectly normal high school life, when transfer student, Tomo-chan, entered his school. Rio watches as Tomo easily grabs the attention of the female student body. It's not until Tomo picks up Rio's dropped planner with a picture of his beloved idol, a male teacher, that they interact. Suspecting that Rio is gay, and after stating that he's going to "cure it" Tomo enlists in a "Homo Fixing Training Regimen". But does Tomo really want to cure Rio of his homosexuality, or simply get his undivided attention for himself?

Volume 2: Rio was filled with happiness when the cool transfer student Tomo-chan confessed to him saying, “I’ve always loved you” However, for some reason Tomo-chan has had a cold attitude lately. Since he had never been clearly told, “Go out with me,” Rio has become unsure about their relationship. Moreover, there’s a rumor that Tomo-chan is going to study abroad… When even Rio’s first love, big brother Haruka, shows up; will the two of them grow even further apart…!?

Volume 3: Will Haruka, Rio's first love, find adult love in this side story spinoff of the much loved Darling series?

Volume 4: coming soon

From Attractive Fascinante:

Kusaka is an owner of a used-book store and is oblivious to the people around him. Iijima, on the other hand, is a hotheaded sales person. They were classmates during college and had some argument before, yet they became lovers now. When two total opposites personalities clash, the spark of love starts to disperse too…

Note: Chapters 7-9 were NOT included in the licensed volume.

1) Hoshi sae mo Nemuru Yoru by Miyuki Kitagawa
(The Banquet of Stars) Kana goes along with her friends on a trip for Golden Week, and they happen to visit an island that she had once seen a picture of the stars from.

2) No Panties Musume by Ako Shimaki
Roux comes from another country and lives with Ichiko, a smart player who fools around with all the girls. She doesn't wear panties because it's not a part of her culture...? And kissing is a casual greeting!?
(Also included in Boku ni Natta Watashi vol 2)

3) Tomodachi Shikkaku by Akane Kasuga
Riku, a cute girl, steals the attention of all the girls from a jealous guy. He doesn't see her as a real girl, but she still likes him.

4) Koi no Neiro by Shin Yumachi
(The Melody of Love) Chizeru believes that Kaitou hates her, and is therefore scared of him. Things just aren't what they seem on the surface though.

5) Yuuwaku Lesson Itashimasho by Hina Sakurada
(A Lesson in Temptation) Himawari has never had a boyfriend in all her seventeen years, and she has also rejected every person who has ever confessed to her. But when she meets her new, shining and beautiful student, Taiyou, all reason just flies out the window.

6) Platonic Porno by Komomo Yamada
The go-to girl for love advice has never had a boyfriend? Her geeky chameleon teacher finds out, but how? How can a chameleon teacher also be an erotic novelist?!
(Also included in Kojin Jugyou)

From Intercross:

For all of Mao's life, she has longed to be girly and have tea parties with beautiful girlfriends. And finally, she has that dream right in her reach, until she walks in on three boys changing at her private all girls school... What's a girl to do when another girl she admired turns out to be a guy?!

From Shoujo Crusade:

Karin HATES guys. She can't stand the sight of them, let alone be near them. But after a near death experience she finds herself waking up to a guy she doesn't know, within a guy school and in a guy's body!!?!

From Shinmakoku Scanlations:

Yosemine Takumi is a difficult student to handle. He's used to get what he wants by using his family's strength in school. The new Infirmary Nurse, Tsutsui, is determined to change all that. He's not going to let himself be bullied by Yosemine, or anyone else, after all these years. But Yosemine has fallen head-over-heels in love with Tsutsui-sensei and set the goal on owning the nurse for himself!

A boy and a girl are forced to join hands for all eternity!?
In a land ravaged by an epidemic known as "Troy", the only people with healing arts capable of stopping the seizures caused by the disease are the Sisters. Although they have a high resistance to the disease, they are searching for a person who is truly immune, so that they can find a cure. The main character is Sister Elraine, one of the Sisters who becomes infected with Troy. But, when she touches Kiri, a seemingly ordinary boy, her seizures stop. Could he be the one!?

In volume 1 is included the oneshot Island:

A story that takes place on the day Aira turned 14, and learned the devastating truth about the island she lives on, which is completely surrounded by a huge wall...

Tsuchie Takeshi has dreams of when he played with Hikari-chan as a child. He remembers her as a kind, sweet girl. However, one day on the way home from school, Takeshi is abducted and taken to a huge house, only to find out that she's become an arrogant, violent dominatrix (emphasis on violent). Furthermore, she says that he promised to marry her! How will he adjust to her new personality, and living with her as a new son of her prestigious family?