Teased unmercifully for his past as an orphan and a slave, Teito has only his best friend Mikage to ease his days at the elite Barsburg Academy - and his mastery of the magical art of Zaiphon! But even that will not be enough to save him when he discovers a horrifying secret behind the ruling Empire. Trapped in an ancient battle between a wicked Death God and the Seven Ghosts and guided by three mysterious priests, Teito discovers a power that could save the world... and shed light on his own mysterious past.

From Tokyopop:
Aliens have landed on Earth and are now a normal part of society. These beautiful beings have been given the name "DearS" and are trusted and welcomed by most humans. In order for the "DearS" to learn Earth's customs, they are sent to random high schools to "home-stay." When Takeya helps a DearS in his school, she calls him "Master." Thus begins the humorous life of Takeya and his sexy alien follower, Ren, who tries to figure out the wacky customs of this place called Earth!

From Tokyopop:
Hideki's just like every other guy in the 22nd century. He just wants a good job, a good car, and a sexy robot girlfriend to call his own. Until he lands a job, he'll never be able to afford his own 'Persocom' companion. Hideki's luck changes when he discovers Chi--an adorable but seemingly stupid Persocom--tied up in a pile of trash. His first robot companion turns out to be a lot more responsibility than he expected, and she gets him into quite a few embarrassing situations. It's 'boy-meets-girl' for the cyber age.

From Chibi Manga:

Rina hates perverted guys. She mixes up her new classmate, Ookami-kun with someone else...
But the truth is, he is a real wolf! Is this sensation of the beginning of love!? Or is it a story of licking bunnies!? Only time will reveal the answer.

In the near future, human technology becomes centered around Mystickers, or tattoo-like stickers which are placed on objects in order to use their abilities. But Mystickers can do much more than this, a secret only "Blazers" know. A secret Daichi, a good-humored teenager with an obsession for all things "cool," is destined to find out when he suddenly finds himself targeted by people who tell him he, too, is a Blazer...

From Viz: Rena Sakura is a high-school student with a secret: she's a professional mangaka. And although she's never been on a date, that doesn't stop her from drawing steamy shojo scenes for Cha mi magazine. But when the gorgeous Tomoya Okita finds out her secret, she finds herself asking him out to get some real-life experience in love! Includes the following oneshots: 1. Magic Lesson (Magical Project) in v.1 A girl uses her magic to transform her dog into a human boy. 2. Bewildered Princess in v.2

Futakoi Alternative tells the story of Rentarō Futaba and his detective agency. One day a set of twins, Sara and Sōju, show up at his doorstep. They move in with him and work as secretaries for his agency.

From Chinatown KM:

Japan's biggest company, the Koigakubo's daughter, Reijou Himeko has "violence-seeking" eyes. Aoyama Shuuji watches over her, employed by the Koigakubo as her bodyguard. They appear to be "Senpai" and "Shuu-chan" but perhaps... their relationship is not what it seems――

From Wikipedia:

Shimeru Futaba is a normal high schooler living a normal life, active in his school's wrestling club and slowly getting closer to his awkward love interest, Misaki. This fails to last, as he discovers his family's hereditary genetic defect that becomes active at adolescence. Although it will eventually become controllable, excitement and stress now make Futaba switch sex. Hilarity ensues.

From Wingtip Cafe:

Udagawa Kachiko is a studious no-nonsense high-school girl. One day, she found an entrance to a fantastic world called Fusuma Land.

From Viz:
Miaka Yuuki is an ordinary junior-high student who is suddenly whisked away into the world of a book, "The Universe of th Four Gods". There she becomes the priestess of the god Suzaku, and is charged with finding all seven of her Celestial-Warrior protectors.

Abe Maria, an ordinary high-school boy and Nanami Tokuko's childhood friend, is the world's last pureblood vampire!! For 10 years, Tokuko has been encouraging him to become a part of human society, and since then, Maria has come to love humans. As such, Tokuko happily watches over Maria. This couple's story is the world's most gentle vampire comedy.

*Includes an extra story called Manshinsoui no Futari (The Wounds that Cover Us) in vol. 1 detailing a high-school romance between a boy who is suffering mentally and an extremely clumsy girl.

A Japanese student named Arisu gets on the wrong bus and winds up in some sort of homoerotic version of Lewis Carroll's Wonderland. The last thing you want to do in a land where people change shapes at the drop of a hat is to drop the soap and introduce yourself as Arisu (identical in Japanese to Alice), lest you start looking like one! And Arisu does, slowly but surely...

A fantasy story for kids featuring a girl named Melmo, who can change her age as she wishes by eating special candies.

Melmo's mother dies in a traffic accident, leaving young Melmo and her younger brother Totoo. Anxious, Melmo's mother in heaven asks God to prepare some magical candies, and hands them to Melmo.
There are two kinds: Melmo can grow 10 years older to become any sort of adult she wishes by eating a blue candy. By eating a red one, she can become 10 years younger.

Using these miracle candies, Melmo disguises herself as a nurse, schoolteacher, policewoman, and overcomes troubles together with her brother, Totoo.

Following the Tuatha de Danaan's seajacking incident, things are back to normal at Jindai High School in Tokyo, or as normal as they get with Sousuke guarding Kaname. After finding out who betrayed Mithril and caused the seajacking incident, Kurz and Mao are sent on a top secret mission in order to capture and bring the traitor back.

However, Sousuke and Kaname's lives are about to change when they meet Leonard Testarossa, a high ranking member of a mysterious group named Amalgam. After their meeting, Leonard warns her that he would do anything to recruit her even if it means war in the streets of Tokyo.

From ADV:

Trouble always seems to follow the beautiful and sassy, Kaname Chidori. Though she is only a high-school student, Kaname is constantly the target of terrorism. Lucky for her though, the dreamy Sosuke, an undercover agent from Mithril, is one step behind her, ready to protect her at any cost. But will he be able to save her from harm every time she is in trouble?

From CPM:
Elle lives in "Full House," the house that her architect father built before passing away a few years ago. She loves the place, but one day, people come to kick her out, claiming that the place now belongs to the famous actor Ryder Baye.

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English Publication

Fifteen-year-old Otawa Ryuuichi decides to train in karate after being dumped by a girl who only liked strong guys.

Nina's neighbor, Kyousuke, is starting high school while she's still stuck in junior high. Just walking to their nearby schools together isn't enough for her--especially since they keep running into Yuiko: a beautiful, outgoing girl in Kyousuke's grade who also seems to harbor feelings for Nina's next-door neighbor.

While testing his 8 mm camera at night in his small town, Kaito Kirishima is caught in a mysterious explosion. Strangely, Kaito wakes up the next day perfectly fine, but with no recollection of what exactly happened the day before. Unfazed by what seems to have been just a dream, he heads to school not giving much thought to the incident. Discussing his camera with his friends, they decide to make a movie during summer break. They invite two upperclassmen to participate in the project: the recently arrived Ichika Takatsuki and the odd Remon Yamano. In a strange twist of fate, Ichika starts living with Kaito because his sister has to work overseas. Summer days are about to get exciting for the small film crew.