From Attractive Fascinante
Sei is an accountant that helped the Takashiro family to keep their assets in place. He always has his way with the older twin of the Takashiro family, Mizuha. Mizuha has zero resistance towards the flaming passion that comes from Sei. Will they open their hearts to each other? The other twin, Yuuya, has been fending off perverts who are interested in Mizuha. But is his classmate, Tsuzuki, interested in Mizuha or him? What will happen to Yuuya’s unrequited love for Tsuzuki?

From Cinderella Story:
Average young girl Kazuki Suou lived a peaceful life with older brother Masaki. That is, until she met Shirou Kusanagi, a boy with secret knowledge of her past, and the dark contract Kazuki was a part of in a former life.

Consists of three stories:

1. Aquarium
2. The Flying Stewardess
3. The Heart is Your Kingdom

From CPM:
Three tales of love, loss, and longing.
A trio of girls tackle the trials of adolescence and try to find happiness.

Cover image is from licensed English edition.

12.000 years after the events of Sousei no Aquarion, mankind is threatened by a new enemy from other dimension labeled "Abductors", who just like the Shadow Angels, invade the human cities to kidnap its inhabitants. To defend humanity from this invasion, the Neo-DEAVA organization establish two teams, one composed of only males and other of only females, each one piloting their own giant machines called "Aquaria". To protect his new friend Mikono, teenager Amata Sora decided to use the powers he has kept secret his entire life and by combining Vectors with male and female pilots into one single robot, the legendary giant Aquarion is reborn once more.

5 years ago, Haruki's brother Hiroki was swept away by the raging river when the bridge Haruki had built broke, and Haruki believes he is responsible for his death.

Iori always liked Naoto, even though Naoto cannot accept the fact than someone from the same sex is in love with him. But seeing the sad expression on Iori´s face, he can no longer refuse Iori´s feelings...

This is the continuation of the younger brother story from Self Portrait...

A collection of short stories:

#1: Ringo Hoppe no Koi
Takami has a HUGE problem! She blushes at the drop of a hat, so everyone knows what she is thinking! She finally makes a decision to stop letting her fear of embarrassment control her -- she gets a job where her crush is working so that she can confess her feelings to him... but then things go awry in an unexpected way!

#2: Hinatabokko no Heya
Tomo and Daisuke have been childhood friends for ten years. Whenever something goes wrong with Daisuke, he finds refuge in Tomo's sunshine-abundant room. When Tomo asks Daisuke for a 'date' with him as her birthday present, will the equations of their relationship change?

#3: 24 Ko no Kurisumasu (24 Pieces of Christmas)
Rio met Ian, the son of her father's friend, during Christmas when she was in the third grade. Ian turned out to be a devil with an angelic smile. That Christmas remains as an irritating memory for Rio, considering how Ian played multiple pranks on her and bullied her throughout the day. After that Christmas, Ian's family moved away to England and she didn't get to see him since then. But Ian sends Christmas cards for her every year. Years later, during Rio's 17th Christmas, Ian is back in Japan......planning some new pranks?

An order has been sent out to hunt down the existence of an Asklepios, a Greek demon god of medicine, whom the Church believes is practising unorthodox methods. A member of armed force group assigned to this mission by the name of Luca encounters two kids who saved him from an injury he faced during a brawl. Who are these kids and can they help out Luca with his personal reason for doing this assignment? One-shot turned series in September 2008.

From http://www.niko-niko.net/sites.html: Ashita no Nadja is the story of a young girl who grew up in an orphanage in England. One day she learns she may not be an orphan after all, and suddenly finds herself chased by some strange men. She ends up fleeing the orphanage and joins a travelling troupe of entertainers. The show follows her travels across Europe as she tries to find her mother and figure out who she really is. A bit more info about the manga is at http://www.niko-niko.net/nadja/ under 'Extras', and info about the anime series and merchandise.

From Bliss:

After failing Japanese history, Mio was forced to go to extra cram classes. Finding his Japanese history teacher, Fumichika, to be quite understanding and kind, Mio couldn't help but feel an attraction towards him. After he confessed, Fumichika told him that his feelings wouldn't last but if he could accept the risk of not having his feelings reciprocated, then they could start a physical relationship. When Mio desires more...

From Dragon and Tigers Manga: Joe Yabuki is a young man living in the slums of Tokyo. But, one day he meets Danpei Tange, a former boxer, who discovers his potential in boxing and tries to make him into a champion. Due to petty crimes, Joe is sent to a juvenile prison. There Joe mets Toru Rikiishi, a promising boxer, who knocked him out with one blow when he attempted to escape prison. Slowly but surely, Joe realizes his own potential. Joe begins his boxing life, step by step, with only one goal in mind... To Defeat Toru Rikiishi !! NOTE: Chapters 1-10 are read left to right, the remaining chapters are read right to left.

Ichimura has just quit his job of eight years and lost his girlfriend. While feeling bummed out and uninspired, his best friend from college appears on his doorstep. But maybe there was more to their friendship than meets the eye...

Included also in Volume 2 of Isshou Tsuzukerarenai Shigoto

From Attractive Fascinante:

Akio’s daily life has been taken care of by his best friend, Ryousuke. Akio has been secretly in love with this best friend for so long. Ryousuke is a serious salary man and always hopes to have a family. However, Ryousuke’s wife-to-be ran away before the wedding. Since then, Ryousuke began to pamper Akio even more. Is Ryousuke taking Akio as a replacement for something he lost? What happened two years ago that made Akio unable to confess?

Taken from Michex: MITSUKI is on top of the world when IMAI, her former tutor and sister's friend, agrees to begin dating her. Even with the seven year age gap, she's determined to make it work, even though she hardly ever gets to see him. But her happiness slowly gives way to doubts when a year passes without ever breaking down the barrier she feels between them. Does Imai-san even like her at all? Or is the person he's really in love with her older sister and he's just going out with her because he didn't have the heart to turn her down? Maybe he doesn't take her seriously because she's still in high school? When she's with him, he always seems more of the serious type---but what is this about his playboy past?!

From the creator of the cyberpunk manga Battle Angel Alita comes a new tale of Alita's world. A thriller of crushed metal and spilled blood that takes place in the dystopian Scrapyard, it is drawn in a dark, expressionistic style that keeps it true to the spirit of cyberpunk science fiction writing.

Asatte no Houkou follows the lives of Karada Iokawa, a young girl who is set to join junior high school after summer is over, and Shouko Nogami, a young woman who has just returned from studying abroad, who also happens to be the former girlfriend of Karada's older brother.

The day Shouko returns, she is dragged by Karada to the beach with her brother and a couple of their friends since she used to know Karada's brother Hiro several years before. After becoming irritated with Hiro for leaving her alone in the United States, she purposefully tells Karada that her ribbons are childish. This upset her greatly because she doesn't like to be treated as a child.

Later that same day, Karada is found by Shouko praying at a shrine, wishing to become older. Amazingly, Karada's wish becomes true and she instantly transforms into a young woman. Incidentally, Shouko then has her adulthood taken away from her and she reverts back to about eleven years old.

From ShoujoMagic:
Shinobu is a typical high school girl... with an atypical hatred of boys. Long ago, she was horribly abused by one and hasn't been able to tolerate being near them since. Now Yokomizo has appeared before her--a boy who looks exactly like the one who tormented her in the past. He's the last guy she wants to have around, but then he confesses his love to her!?

From Shoujo Manga Maniac:
Mitsuru is gentle and kind, and he’s deeply in love with Aoi. Ryo, Mitsuru’s twin brother, is stoic and brutish and loves to tease and torment Aoi. The choice should be clear, so why does Aoi find herself so much more attracted to Ryo…?!

Collection of oneshots that largely revolve around the Hadano brothers.

1. Aruhi Totsuzen Koi wa Kuru?! (Sudden Love)
Kousaka sensei begins his home visits to his students, and ends up meeting an older brother, Hikaru. Now Hikaru (who declares he won't fall in love until after being confessed to) can't stop thinking about Kousaka sensei, and Kousaka sensei only seems to be interested in helping his students. Whatever will they do?

2. Bokura wa Koko kara (Us from Now On)
Younger brother Hadano Takeru from chapter one is dating fellow student Isehara. But Isehara has a secret that involves Takeru's older brother Hikaru.

3. Sudden Appearance
Kousaka sensei and Hikaru get freaky on the beach.

4. Kaikan ∞ Sapuri (Infinite Sensation Supplement)
Masamichi is the personal doctor of the Setoyama family and must obey Tadasuki the young head of the family. But when Tadasuki wants his young cousin Asuma to be "prepared for love", Masamichi finds the task may be more than he can handle.

4. Hadanoke no Hitobito (People of the Hadano Household)
Youngest Hadano brother, Kaoru, attempts to introduce readers to the mysterious eldest Hadano brother, Satoru.

5. Aruhi Tenshi wa Mai Oriru (One Day, An Angel Flutters Down)
Gifted at almost everything, Komadori still hasn't recovered from his failure of capturing a girl's heart due to his inability to express feelings. Ren, a gorgeous actor, helps him to learn the language of love.
- Attractive Fascinante

From Stiletto Heels:

Alvin Dolce (nicknamed Al) is a self-proclaimed third-rate politician who is currently living together with his lover Neri. Things go well for the two until an impending campaign run urges Alvin away to Milano. Neri, uninterested in politics, turns down Alvin's invitation to join him there, and Alvin, distrusting Neri's loyalty in the relationship, takes off for Milano alone.

Contains other stories about Al and about the boisterious and loveable people in his life.