From DMP:

One fateful morning, Hirofumi awakens to discover he has no memory of the previous two years. He has forgotten his classmates and everything he's learned at school. All he recalls is the car accident that caused his amnesia. When he finds a letter written to himself, he is shocked to discover that he has been romantically involved with the tragic and handsome Daigo! Can true love triumph over the loss of memory? And will Hirofumi be able to make Daigo smile again?

Up until now, the most exciting part of Minori's schoolgirl life has been playing video games... but one day, her skills win more than she ever could have imagined. When Minori beats some guy at the local arcade, suddenly he declares he's going to marry her! When the same guy turns out to be none other than Kanata Okazaki – Japan's newest, youngest-ever prime minister – Minori finds herself swept up in a world of politics and paparazzi. Is Kanata really in love with her? Exactly why does his 18-year-old senior aide glare at Minori all the time? How is it Japan can be run by such a young prime minister, anyway?!
(Source: Doki Doki)

A collection of yuri stories.

1. Expressions of Love ~ Haruka is one of the stars at St. Teresa's school for girls; tall, beautiful, accomplished, friendly - she also has an unpleasant habit of molesting girls by grabbing their breasts. Particularly those of Akiho, a girl who is not one of Haruka's many fans at school.

2. She-wolf ~ New transfer student Fuyuka is very excited to be starting a new life at an all-girl's school. Her anticipation soon turns to terror as she becomes the target of extreme stalker/molester behavior at the hands of one of the school's stars, Natsuki.

3. First Kiss ~ A three-part story of the school counsellor, Reiko, and Ayano, her childhood friend who's also a teacher at school.

4. Little Red Riding Hood Strikes Back~ Another three part. Fuyuka has accepted Natsuki's love, however Natsuki is still retaining some distance. Talking things over with Akiho, Fuyuka manages to clarify the nature of her and Natsuki's relationship.

5. Spring, Summer, Winter, Fall
Included is a conclusion of two student couples' romance. Will a day out to the beach ends happily for Akiho, Haruka, Natsuki and Fuyuka?

6. Afterword
The mangaka discuss the enjoyment, fun, trials and tribulations in the industry and in making the manga.

7. Extra ~ Her
Two girls, Inoue Chiharu & Aida Miho, are plotting on seducing each other, each convinced they are the strange one for desiring the other girl.

From Lililicious:

A sci-fi story set in a future where men have died off. Women have been divided into two groups: Adams and Eves. Each has a set role in society. The protagonist, an Adam, has just entered Kingdom Academy. Romantic relationships between Adams are forbidden there, so I'm sure you can all guess where this is going...

Sequel to Dear Myself and Unmei ni Kiss

From DMP:
It's been four years since Hirofumi and Daigo started living together. But because of his psychological scars, Daigo gradually starts inposing frightening restraints on Hirofumi! Caught in a cage of love and madness, what will Hirofumi's ultimate answer be? At last, the conclusion to the popular Dear Myself series! Also contains the short stories "Last Spring," depicting the alien Hirofumi from those two lost years; "Kiss on a Honeymoon," the aftermath for Ayane and Fumiya, and the now legendary chapters of "Papa's 18"!

From DMP:
As the son of a prominent and wealthy family, Yutaka wears the mask of a genteel elite student. Frustrated by this facade he must put up and stifled by a future already laid out of him, the only way Yutaka can find to deal with the boredom and unhappiness of his empty life is through sexual release. Then one day, Tohno, a delinquent-looking student with blonde-dyed hair, suddenly transfers into Yutaka's class. As Yutaka finds himself more and more obsessed with a deep abiding lust for this young man, his daily descents into sexual fantasy begin to interfere with his life, until the ferocious impulse to possess Tohno for his own leads him to a diabolical scheme.

With a father who's a singer, a mother who's a movie star, and an older brother Shougo who's the lead vocalist for the super-popular band "The Crusherz", Sena Izumi—an otaku college student—is the only dull one born into this super-famous and talented family. He loves "Magical Girl LalaLulu" and is working hard to become a mangaka, but one day he winds up appearing in a TV commercial he just can't turn down. There, he's reunited with Ichijou Ryouma, the super-popular young actor he costarred with on a project ten years prior.

(Source: September Scanlations)