Short synopsis: Think "Kampfer" meets "Infinite Stratos"

Long synposis: The story is about a high-school student named Lihau Yuexiang / Tachibana whose goal is to be recognized as a manly man. The problem is that he looks exactly like a girl and is constantly bullied by his peers because of this. He is gifted the power to become a gunner princess fighter and hopes to use this newfound strength to prevent the bullying and finally become manly.

One-shot included in volume:
- "Kurage's Love (くらげの恋) [2009]"

Collection of oneshots : 1) The first one-shot in this manga features a theme park, cross-dressing and mistaken identities! What's not to love? High school student Rin ends up posing as his twin sister to go on a date with a university student that may be attempting to blackmail him...

From Tokyopop:

A dad that's a professional model passed on his stunning male looks to his only child, Kiri...but unfortunately, that Kiri is a girl! Tohya Enishi, the love of her life, decides to be a male model, so Kiri fakes her gender and becomes a male model alongside him. But things get really complicated when others start to fall for Kiri and her male alter ego!

This is a spin-off of the series Night Wizard. It has completely different characters.

ryuunosuke changes into a female wizard when he senses monsters called Emulators

A boy who is prettier than a girl. Don’t destroy me with your gorgeous face.

Hatori Ejima has a beautiful face and is the idol of his school. But has a weakness: a phobia to all girls due to childhood trauma. To cure him, his sister, Saiko forces him to cross-dress and join her idol fans club. Saiko is the leader of Miya Fans Club of the famous duo, RUSH. Hatori, who can't stand being near more than 2 girls, must now face 200 fan girls at once! Not to mention, the idol Miyato from RUSH seems to have fallen for his female identity!

Four hundred years back into the past...

In a countrified corner of merry olde England lives Jacqueline, the daughter of a grand duke. She is infatuated with Raymond, a beautiful youth in a certain theatre troupe.

Full of turbulent adventures, the fascinating tale of a tomboy-princess who dreams of love!

College student Shinya Okama is initially tricked into working at a gay bar by his friend Tanaka, but he starts to enjoy it when he sees how cute he looks in drag as "Catherine". However, his infatuation with himself is short lived when he falls in love at first sight with Miki, an innocent college girl and regular at the bar who happens to look a lot like Catherine. Although the two of them hit it off right away, Miki only knows him as Catherine, and to top it off, Miki already has a boyfriend. Not wanting to concede defeat just yet, Okama continues his struggle to get closer to Miki while trying to prevent her from making any progress with her boyfriend who just wants to get in bed with her.

Minato’s father is androgynously beautiful. But unfortunately, his beauty outranks his IQ.

Not only that, his flashy sense of fashion also makes him look like a flamboyant member of a local host club. Nevertheless, his fatherly love for his only son knows no bound! And today, he is going to annoy his son energetically to no end, yet again…

Absurd father-and-son comedy duo BEGIN!

— Nekyou.com

Riku Kurata has to cross-dress due to family reasons, and when Riku's classmate Shunichi Ozaki realizes he's a guy, he decides to exploit it for his own enjoyment.

A young girl, Onaga, discovers her neighbor, Kashiwabara, in his balcony one hot summer night, dressed up in women's clothing. A unique relationship between them ensues. From the mangaka of Aku no Hana (Flowers of Evil) and Happiness.

From Tokyopop:
The time is 972 A.D. in Kyoto, the capital of ancient Japan. Kyoto is becoming a corrupt and run-down city; selfish samurai and onmyoji, who care only about gaining political power are everywhere. To make matters worse the city is suffering from famine and widespread disease. Unable to ignore the condition of the city any longer, the Imperial Court decides to send Minamoto no Raiko, a famous samurai well-known for his archery skills, to recover a legendary gem, the Magatama, said to hold mysterious power to save the world. However Raiko also falls ill to disease. Instead his youngest sister, Hikaru, decides secretely to make the journey in his place. Hikaru meets many people, and has many adventures while on her trip for the legendary gem.

Serves as a prequel to the anime.

Takumi is an orphan who just moved into an all boys dorm. He's rooming with his childhood friend, Hikaru and meets up with his childhood sweetheart, Hikaru's twin Kodama. But the twins keep switching on him! Who is he really in love with?

From Shoujo Manga Maniac: Yuiri is a first year highschooler and the granddaughter of the principal. She attends Angelic Garden Highschool where she meets 4 handsome devils. It is her job to try and make these devils into angels. While in school, she goes under cover also as her brother Hairi. Can she persevere against these devils?

From ShoujoMagic:

Hatori is a tall girl who's easily mistaken for a boy, and she's in love with her childhood friend, Keishi. Even though he's a boy, Keishi is so cute that Hatori just wants to push him down and make him her own. Hatori has countless delusions and hallucinations (unbefitting a young lady) running wildly through her head every day -- and they're all about Keishi. They set her heart pounding and her nose bleeding!

From Tokyopop:

When Ami Won’s mother was still alive, she always told her to grow up to be an exemplary woman. And the chance presents itself now that her dad has been elected President of Korea. Thus begins this klutzy girl’s transformation into the girl her mother had always hoped she’d become.

However, in the spotlight and imbued with a kind of social power she never expected, Ami is now beset on all sides by the jealous and the dismayed. Her cousin Bi-Na leads this parade. Bi-Na considers herself naturally charismatic and infinitely more charming than Ami Won, so she feels she deserves the role as Korea’s First Lady.

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Girly boy Pil-Hyun Jung, also called Teddy Boy, strives to become a real man to win the heart of the girl he likes. He needs help becoming more manly so he becomes an apprentice to the author of a manhwa series about a pretty boy who wants to be a man. As Pil-Hyun works to overcome his problem, his love interest likes someone else, he gains a crazy stalker girl, and the women he lives with are all scary in one way or another. Will life ever go the way he wants it?

There is a pharmacy in this small town, whose owner never changes. The pharmacy has wondrous medicines that can cure every sort of malady? Even today, boys gripped by problems of love step through its door.