Rio, Noa and Rei Olmsted are brothers living on Olmsted Island who were raised as girls. They live in a world where only traps can use magic, and the brothers are about to start using it themselves.

From Tokyopop:
When a mysterious incident causes Mir to lose her magical abilities, she decides to retire and become a student in a normal school--or so she thought! To her surprise, she's enrolled in a school with a special connection to her family. Will Mir's boring new life keep her from her magical past... and from her divine future?

[From ShoujoMagic]:

This one volume work is a collection of selected stories from Kayono's "Arabian Nights" series.

1) Princess Man & the Magic Lamp -
Princess Sonia has been kidnapped and is being forced into a political marriage. "By no means will I lead such a life!" she proclaims, and then escapes from the castle and has a fateful encounter with Sinbad! At first she thinks she's jumped out of the frying pan and into the fire, because Sinbad seems like the worst man alive, but then they embark on a journey to seek out the "magic lamp"!?

2) Tearful Madonna.
Mink is a beautiful professional killer whose mission is to sneak into the castle of the Vampire Noa Tribe to assassinate their leader Orion.

3) The Beautiful Face Tribe.
Rin pretends to be a rich girl in order to marry a wealthy man and save her father from a 100,000,000 yen debt. However, she must first choose from one of the three brothers... The oldest is a singer for a rock band, the second son is a fantastic chief, and the third is a high-schooler too shy to speak yet wishes to become an actor. All have a tender heart; so, which will she choose... or will she sacrifice her father and her future by telling this family the truth about her intentions.

The era is Edo (1603-1868). Tsubaki is a merchant's daughter who is sold to the red lights district after losing her family in a fire. Driven by desire to triumph over her first love, a servant, she aims to become the top courtesan! She polishes her beauty and artistic talents every day, but for some reason, her senior courtesan and current number one oiran Takao has an eye on her?!

In volume 4 is included the oneshot Ginrou no Sakura.
A beautiful wolf with silver hair and silver eyes... Surely I'll be captured.

From MangaHelpers:

The very tall Ryudo Kagetora aims to be the best basketball player in Japan! He has chosen a formerly famous basketball high school, in order to bring it to new glory. He also dislikes girls, ever since a girl beat him at basketball in grade school.

There is also another new ace player joining the basketball team, Ichinomiya Chiaki. However, Chiaki was an ace on the middle school women's basketball team. She becomes a man when she's on the basketball court, and she was kicked out of women's basketball team when her quirk is revealed. Ryudo learns her secret, and reluctantly becomes her ally and roommate! [tethysdust]

N/A

"Casio and his little sister Nokia both work as bounty hunters who use magic packets that they download through their mobile phones and cast with the built-in camera to defeat mysterious apparitions called phantasms. The bounties for these phantasms are quite high, but the enormous fees for the magic packets they download and the property damage they create has reduced them to a homeless status living off cup ramen. This all changes when they meet a foolish albeit wealthy, young woman called Sony who didn't bother to properly research Casio and Nokia's true nature before becoming their sponsor. "

“My name is Midou Maria. But not long ago, my name was Ichinose Rei. That Ichinose Rei had a special existence. The workforce for Ichinose Group comprise nearly half of the corporate town, Segawa, and Rei was that Ichinose family’s heir."

But that brilliant future was abruptly snatched away. Given a new name, a new gender and three hundred million, Rei—now Maria—was banished from Ichinose. With death as her resolution, Maria roamed around the streets, only to end up in some ruins. But in those ruins, there was a community: the secret base for juveniles!

This is the story of Maria's mutiny!

One of the five handsome men in the incredibly popular idol group "Z", Riku, is actually a girl! She's tied with the leader, Touya, for popularity. She pretends to be the type of guy that makes all the girls smile and is extremely cool-looking. However, when she receives a Christmas present from Touya, she decides she wants to show him her feminine side...!?

*Includes a short story called Romantic Shiyo! (Let's Be Romantic!).

Ayumu Mikoshiba is a boy in junior high whose family runs an old shrine with few worshipers. In an effort to revive the shrine, Ayumu's parents decide he'll be the next in a long line of magical girls in the Mikoshiba family. Together with Fuu-chan, a small fox-like mascot character, Ayumu tries to help people while cross-dressing.

From Okazu:

Mermaid Line is a collection of stories that ran in Yuri Hime magazine. They are collected together as short mini-series, done in an episodic, almost soap-opera-y way.

In "Megumi and Aoi " Megumi confesses to her friend Aoi that, despite her ungainly swimming, she feels as if she is a mermaid. Aoi finds herself fantasizing about being the prince to Megumi's mermaid, but Megumi runs to the arms of a boy, trying to put a beard on her feelings.

Ayumi, in "Ayumi and Aika," wants to get married to her boyfriend so naturally, she's shocked when he tells her that he wants to become a woman.

"Yukari and Mayuko" are both OLs. Mayuko's between boyfriends and bored, so she asks Yukari to pretend to be her girlfriend. It works out well, until Yukari realizes that her feelings for Mayuko are more than just pretend.

In "Girl*Girl," an extra story in the "Megumi and Aoi" Mermaid Line series, Aoi contemplates what things would be like if she or Megumi were guys.

And finally, in "Miura-san and Me" Okabe loves Miura's beautiful hair. When Miura-san cuts it all off, Okabe learns to love her for herself.

Mirin Asami and his three brothers Momiji, Kouji and Natane are told by their father to cross-dress, but while Mirin's brothers enjoy dressing and acting like girls, Mirin doesn't.

Kotarou Hayasaka is a new student at Oomiya High School, a prestigious boys school where the student council president is able to make a single school rule at the beginning of the year. This year, the student council president Izuki Jinguuji decides that all the students have to cross-dress during school activities, much to Kotarou's dismay.

Yasuoka Shion lost her parents, and her voice, when she was young...in a murder.

She was found amidst a blood-soaked room, and the only hint for the suspect was a Shougi board and one piece: the King. Now, Shion steps into the world of female professional Shougi players. As her popularity and fame slowly rises, so do the questions about her past, particularly the murder case that was never solved.

A girl playing a male character in a video game falls in love with a female character in the virtual world while unaware the player is actually a boy. Meanwhile strange distortions begin to happen in the real world...

Nareh and Tareh are fraternal twins, Nareh the elder sister and Tareh the younger brother. When Nareh learns that Tareh has been accepted into the all-boys Ordinary School, she is shocked, and prepared to stop him at all costs...

From Anibebe: For centuries the Lee and Dai had shared a deep bond in the form of a master-servant relationship which gradually evolved into a strong friendship between the heirs of both families. Therefore true to tradition Dai Xiaodao (aka Dai Xiaoshuang) decides to assume the role of the manservant for Li Qingri (aka childhood friend) in place of her dead brother, Dai Dadao. To her chagrin, pretending to be a boy was but the tip of the iceberg in terms of the list of challenges that would come her way. On top of having to contain her secret love for Li Qingri who has become her roommate... what's the deal with that sinister-looking senpai (who's always flashing some fish at her) and that sweet-looking female classmate (who's really a carnivore in herbivore's clothing)! All that aside, what was that mysteriously beautiful scent that Dai Xiaodao got a whiff of when she bumped into the notorious Ye Weien at that secret path? Surely, no matter what the legend says, that obnoxious playboy could not be the man of her destiny!

Roan Summer is a 16-year old high school student who has been pretty unlucky when it comes to love. During his freshmen days, he fell in love with a girl from a different class whom he calls Miss Question Mark. Well, this is because he lacks the courage to ask her name, much less to confess his hidden feelings to her. Now, freshmen year is over and as he heads toward his sophomore year, he is wishing that by some miracle, he would finally belong to the class where his beloved crush is. Odds surprisingly favor Roan’s first day of school this time as he discovers that the vacant seat next to him is actually Miss Question Mark’s chair. However, one afternoon, a clumsy, pretty yet weird girl named Meory Winter ruins the moment as she comes rushing to the room where Roan is, causing the two to bump and to accidentally kiss one another. Pursuing his feelings for Miss Question Mark at one hand while trying to keep the “accident kiss” with Meory a secret on the other, together with his new, old and crazy friends, Roan Summer’s love story is now terribly tangled and twisted. Can Roan be able to escape this Love Rumble? Or rather is he willing to escape it to begin with? (L. Rumble!)