From Wingtip Cafe:

In Heian era, a noble chief councillor of states had 2 children who wished they were opposite gender. Lady Kira is strong, willful girl, while Lord Kira is weak, beautiful boy. Because of their characters, their father raised Lady Kira as a boy and Lord Kira as a girl.
The manga is based on a novel from late Heian era called “Torikaebaya Monogatari”.

Tayutama Kiss on my Deity centers on Yuuri Mito, a student at the Sousei Academy and the only son of the man who runs the Yachimata shrine. At Yachimata, there is a legend of a deity named Tayutayu-sama who protected the area, but this deity and other so-called “Tayutai” have been lost in time. Mito and his friends discover a relic on the school grounds with mysterious patterns on them. Then, at the opening ceremony of the new school year, an equally mysterious girl named Mashiro appears before Mito. Mashiro is somehow tied to the relic and the legend of Tayutayu-sama… [Mangaupdates]

Yuzuko's a positive, always charming girl with the horrible habit of verbal diarrhea. Just when she's done it again and insults someone, she's saved by a drop dead gorgeous maid from the Maid & Butler café. Little does she know that the maid is none other than the high school hottie Itsuki...

Includes two side stories:
When Fireworks End
My Hysteric Girl

Chap 2 and 3 scanlated by "Airinia's (Epicphail) Scanlation".

1. Tenshinchigi (Gods of Heaven and Earth)
The gods of earth, water, fire, wind and thunder gather together every day for their assignments. In between causing storms and rain showers love develops.

2. Fragile but Strong
Mayden, the king from Dumayden and Alexander, the king from Alectoria, are best friends. One day Mayden proposes a marriage between his eldest son and Alexander's only daughter but, unknown to most, the king's daughter is actually a rebellious teenaged boy! What happens when Prince Mayville turns up for the marriage interview and meets beautiful but headstrong Alec instead of the rumoured Black Rose Princess Sandra?

3. Stray Cat Rock
Simple first aid to a wounded stranger is interpreted as something more.

4. A Wanderer's Love
A host who enjoys preying on women finds himself unexpectedly falling for a male florist's beautiful bouquets

5. Love Monster
Returning home drunk from a group date Hayato finds a strange vagabond on his doorstep who turns out to be his Uncle Tooru.

Raised in the hope that I would be a boy full of courage and strength, they named me "Yuu."
To be a girl filled with kindness and love; that's how my twin sister, "Ai," was raised.
That's how our parents named us-
But... Our parents' wishes were reversed.
A story about twins who risk everything to protect one another and to find his or her happiness in the switch they call twins game. (Premiered in Waai Mahalo)

Yuuki Narusawa, a college student looking for a tutoring job runs into Ryou Misaki, who is in search of a tutor who looks good in a maid uniform.

As a child, Usagi Mitsuki made a promise to a crying girl that when she grows up he will marry her. When he finally becomes an adult, she appears again to make good on his promise, but much to Usagi's surprise "she" is a not only a he, but his family's shrine's goddess!

"If you were a girl, we would never have met."
"Well- to...to be honest with you- I AM a girl-"
Plain when she is a girl, but HOT when she is a guy.
Choi Ida wants no more then to relieve her stress and anger when she is off work as the alternative identity Yodah, due to the pressure of being Mimi's slave at both school and home.
One day in the park, free from Mimi, she meets Kang Naru, who kisses her as Ida, not as Yodah (her male self).
Despite thinking that Yodah is a guy, Naru falls in love with her.
But when Mimi finds out about Ida's secret identity, she threatens to tell Naru if Ida doesn't break up with the flower boy. What will she do when both of her lives are at risk?

From Aerandria Scans:

Kei is a girl who's only interested in other girls! However, tricked by her mother, she enrolled in an all boys school, thinking that she'd be able to make her high school debut at a co-ed school. To normal girls, being surrounded with hot guys at an all boys school might be heaven, but to Kei, this is hell! What is Kei to do at this place without any other girls, where she has to try her best to keep her real identity a secret?!

From Taruby:

Our protagonist, Moji Shimeta, just so happens to fulfill the stereotype for being a worthless human. His inability to carry out a conversation has left him at the bottom of the barrel as far as friends are concerned.
That Shimeta fell in love with the school idol Ishikawa Yuuko, however that kind of love is absolutely, perfectly, and completely impossible. During this time, the messenger of the gods, Osaki, appeared to grant Moji's request with a price attached concerning Moji's cooperation in catching some runaway evil spirits. However to catch them all, Osaki uses Moji as a vessel to become a servent of Uganomitamanokami (aka Inari) called Youko. Lots of Ecchi situations and humiliation abound at Moji's expense.

This is a story about 2 childhood friends, Masato and Yuki, that reunite as teenagers. Masato is surprised to find that Yuki has become so cute, but even more surprised to realize that Yuki was, and still is, a guy. Yuki's affection for cross-dressing leaves Masato with feelings of discomfort and fright.

Being beautiful is never easy, especially if you're an eighteen year old boy like Yoon Da In who is constantly mistaken for a girl because of his delicate good looks. Da In is, in fact, anything but delicate. He is the ringleader of a group of tough kids in an all boy's school, and he's quick to beat the living daylights out of anyone who even hints that he resembles a girl. If that wasn't hard enough for a regular teenage guy to cope with, his life is about to take a shocking turn for the worse. When Da In stumbles upon strange happenings in the forest, he gets sucked into a world of vampire intrigue and sinister romance that he never knew existed. And he learns that there are worse things than being turned into a vampire: being turned into a girl?!

One night in the Windbloom Kingdom, Princess Mashiro Blan de Windbloom is assassinated in her sleep. Some days later, the main character, an anonymous boy, arrives in Wind City, capital of Windbloom. Using a gem passed down from his mother, he takes up the identity of Mashiro and joins Garderobe. The story follows his experiences in Garderobe and later his battles against those who would seek to destabilise the peace.

An older brother discovered his interest in cross-dressing and totally grossed out his sister. After consulting online message board, he decided he will play the role of older sister instead to build better relationship with her.

Iroha, a masculine girl, and Hifumi, a feminine boy, are siblings who have transferred to a different middle school and moved to their grandparents house. However, after the first night, much to their surprise... they've switched genders. The two are left feeling "delighted"...

From RC-SCANS:

Gook Eun-Song is your average high school girl... that is until her attractive younger sister stole the man she had a crush on. Depressed, Eun-Song purchased a bottle of alcohol and crawled into a supposedly cursed closet in her father's furniture store.
Yu Ha is your average typical bad boy. Going insane over one article in magazine, he even broke traffic regulations while drunk just to end up being chased by a couple of police officers.

Oddly enough, he also ended up in the same closet where Eun-Song is asleep from drinking too much. Yu Ha ends up sleeping in the cursed closet with Eun-Song by his side... just to find out the next day, their bodies have been switched!

Can anything else possibly go wrong for our poor heroine?

Sadashima fell in love with a handsome senpai while she was in high school, but didn't have the guts to tell him before he graduated and moved away. When Sadashima graduates the next year, she follows her senpai, Shirahai, to Tokyo and manages to move in next door. She totally believes that the two of them can now hook up, and can't wait to knock on his door to 'coincidentally" find themselves neighbors.

She's flabbergasted to find a woman answering Shirahai's door, and then blown away to find out the woman is Shirahai! He's had a sex change!

Shino asks his best friend Akira to help set him up with Maruyama, the girl of his dreams. Unfortunately, Akira ends up taking her for himself.

Depressed, Shino heads down to a black tea shop run by a guy named Shuuji to drown his sorrow by pigging out on cakes. Sometime in the past, Shuuji had a spat with a friend or something (referred to only as “that guy”) who thinks the best way to make up is send mysterious unmarked packages of randomly selected tea. I guess he has a history of sending dangerous gifts, as Shuuji gives Shino the tea “on the house” to see if it’s poisoned. Well, the tea appears to have been laced with a genie, who promptly grants Shino his desire to be with Maruyama… But be careful of what you wish for…

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From Taruby:
This tale begins with Shino who was in love with a girl called Maruyama. Shino asked his best friend, Akira, to set him up with Maruyama, but instead Akira betrayed Shino. Depressed, Shino goes to spend the rest of his day binging on cakes at the Seijou Black Tea House which is run by two mental cases by the names of Shuuji and Keisuke. Mix a magical tea leaf, homosexuals, and various other things for ensuing hilarity.

In a modern country where the government is controlled by a Martial Shogun and samurai receive much respect, there lives fraternal twins of the Sakakido family. Kou, the brother, is very feminine, excels at cooking, cleaning, arts and crafts. Tsukiko, the sister, is masculine, loves fighting and is a combat genius. The twins learn about the Samurai High School, where men test their strength and women test their femininity, but the only way they can attend is by swapping places. If they are to be found cheating, they will be exiled so they have to overcome their gender differences and maintain their secret.

A talented young man who doesn't want to be an official. A beautiful, intelligent young lady who hates to be looked down on by men. When these two meet in a very uncomfortable situation, a big argument arises. Will everything settle down, and can these two talented people find true love when there are so many obstacles ahead?