From MangaHelpers:
Sakurai Seri wants to be an idol, but he's so nervous that he seems to only meet with failure. Then, one day, he and two other boys are chosen to debut as members of a new idol group, "Otoko no Ko." The other two boys are the cool, serious "Ren" and the enthusiastic, cute "Tama." The only catch is that they plan to be a male idol group that dresses as girls. This may be Seri's big chance, but he never imagined himself as a female idol.

From Tokyopop:

In a private school only recently open to girls, flower-lovin' Takaaki is a breath of fresh (and gender-blurred) air! Having to room with the stone cold Sonoh Takahara has certainly caused him some angst, but don't fear. Sonoh's twin is his complete opposite, making for a whole mess of fun filled with cute boys and silly misunderstandings.

Mika has a special relationship with an abused girl who has an extreme fear of men.

Beautiful, delicate Yoon Sul and tall, brawny Taehee are exact opposites, and yet somehow they can't escape each other! And now with the addition of the popular student representative, Sijun, being interested in Taehee, how will Yoon Sul react?! Action-packed romantic comedy with a twist!

Takatou Iori, a high school ninensei, while on his way to school to confess his love to classmate Kusanagi Mikuru by means of a love letter, gets ran over by a truck to save a cute elementary schoolgirl.

Nitou Saya, a 15-year-old scaredy-cat with a weak presence, suddenly finds herself ambushed by the infamous delinquent Kasai Arata-kun. To make matters worse, she ends up kissing him accidentally - and their bodies swap! Will her life turn into an awful disaster or will this incident develop into an unexpected opportunity?

A spin off from the main story.

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...

Kairi Shinonome's younger twin brother, Anri, has been dressed as a girl since birth by their mother. One day, Anri goes to an idol audition. Kairi cross-dresses as well to go and stop him, but unexpectedly they both end up scouted as idols!

After being coaxed into crossdressing by his older sister, Hikaru Futaba ends up participating in a girls-only singing contest under a female disguise. Soon after his performance, Yuuto, Hikaru's friend, falls in love with his female alias. In addition, the class representative Sumitani-san also falls for him after discovering he crossdresses. How will this love-triangle play out?

Japanese-American Mizuki has gotten herself into a high school in Japan... but not just any school! To be close to her idol, high jumper Izumi Sano, she's going to an all-guys' high school... and disguising herself as a boy! But as fate would have it, they're more than classmates... they're roommates! Now, Mizuki must keep her secret in the classroom, the locker room, and her own bedroom. And her classmates--and the school doctor--must cope with a new transfer student who may make them question their own orientation...

Note: Chapters 2 and 7 of After School are untranslated.

Contains the oneshot Wild Kiss (NAKAJO Hisaya)

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?

Shingo is engaged and his fiance want to meet his parents, but Shingo is reluctant because of a family secret. His mother is in reality his father, he had a sex-change surgery and later married a man, that now is Shingo stepfather. Also Shingo parents own a transvestite bar, his mother being one of the star, the other being all transvestites, one of then having a love interest in Shingo, that is trying to hide that part of his life to his fiance and office coworkers. Shingo also have other secret, he have phimosis, and need to have a circumcision to correct the problem before to marry his fiance. Knowing of this problem one of the transvestites recommend him a doctor that do works for them, and is very discrete. When he goes to the surgeon, the transvestites disguise him as a woman, so he can leave the bar being unnoticed and go to the clinic for the circumcision. The doctor screws it up and thinks Shingo have asked for a sex-change. Seems circumcision is an euphemism for sex-change in the transvestite slag. The surgery is irreversible and Shingo have to start a new life as a woman, working as a OL, and having a lesbian relationship with his fiance.

[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]

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