In a post-apocalyptic world covered with water, Wadatsumi, a person who lives in what appears to be the last piece of land, finds a mysterious girl dragged by the waves of the sea. Where does she come from? Are there other lands in this world?

From Taruby:
After 'The Great Sinking,' civilization on Earth crumbled as the world was drowned in the ocean. One tiny band of survivors eke out a living atop the ruined remains of a skyscraper. Wadatsumi, a young tomboy, is saddled with the care of four elderly gentlemen, until a chance encounter with a group of pirates and a mysterious woman turn her world upside-down.

The year is 2008, and Mikuru is a 16-year-old high schooler who often disagrees with her mother Yuki. One day a girl appears in front of her with toughts, memories and body are from 24 years earlier. In short, Yuki has time-slipped from 1984 to the present, and when Yuki wakes up she is shocked to find that the year is not 1984, and that Mikuru is her daughter.

Now both mother and daughter are the same age and living in the same house together, with an older man who is supposed to be her husband. Until when she can return home, the girl who has crossed space-time decides to discover her future.

Only the strongest woman is worthy of being Queen. On this continent, a desperate struggle to crown the new Queen is held every four years. The Queen's Blade.

Lucius Lucent is a cold blooded female warrior that makes men in battlefields quiver in fear. Along with her magical armor, Gil, she destroys everything in her path with her overwhelming power.

The main character Haruto who has the marking of a supreme king, unknowingly opened and entered the gate to the world of divine spirits. There he meets Feilen-kamisama who makes a contract with Haruto for an unexpected reason. Later Raika, nation of thunder, comes along and makes things more confusing for Haruto! What happens after this? A riot that flips his life upside down… or flat to the ground… NOTE: On hiatus

Teishu Academy is a school for the wealthy, high classed students that the upperclassmen can offer. Being at such high class the Socie, a school group that is almost like security, keeps a lookout for anyone who tries to bring in any portion of lower class culture. An example of this is an anime based keychain, which is a Rank 1 unacceptable item on campus ground. Those who break the rules are then crucified and called "Criminaes" and are set to be shamed by the public. Due to an increase in the number of such Criminaes, Hajime, the Shvarie du la Fleur of the Socie, has announced that the Socie will conduct unscheduled searches through each student's bag. A new student, Rentarou, is shocked at this since he accidentally had anime related material hidden inside his bag. He desperately tries to run from the Socie, but gets caught by the Socie leader herself! But instead of a severe punishment, the Socie leader, Ayako, decides to have Rentarou join her in creating a doujin game.

This series is titled class Rep is a boy in drag(Iincho is Otokonoko), it is basically the crazy antics between the class rep and his straight man friend, and their back and forth interactions with one another as he attempts to seduce and he attempts to deflect.

Note: Original language image is unavailable.

A romance about an unlikely couple.

Gorou has a crush on his older stepsister Haru. Unfortunately for Gorou, Haru happens to love teasing him sadistically in every way possible.
A 4-koma comedy about their wacky day to day life and interactions.

Hoozuki-san Chi no Aneki - Nano Shucchouban and 2 chapters of Hoozuki-san Chi no Aneki - Nano Branch are included in volume 3.

Ayaka has a dear friend named Hiroko. Hiroko suddenly vanishes from Ayaka’s life, saying that she must save someone important to her. Since that time, Ayaka hasn’t heard anything from Hiroko, until a girl’s corpse is washed up on shore, and she’s holding a letter from Hiroko which reads: “Come save me.” Ayaka sets off to save her best friend, and ends up in a mysterious school where everything seems too good to be true. Is it?

A short oneshot about the idols Koyori and Yuwa, whose relationship isn?t quite like what it appears.

Koi to Senkyo to Chocolate follows the protagonist Yuuki Oojima, who attends Private Takafuji Academy, a large school with over 6,000 students. Yuuki is a member of the food research club, along with seven others, including his childhood friend Chisato Sumiyoshi. The members leisurely spend their time in the club not doing much activities. When the election of the next student council president comes up, the front runner Satsuki Shinonome proposes that clubs that have no merit should be sorted out and abolished. The food research club seeks advice from the current student council president Yakumo Mori, who suggests Yuuki run in the election as an opposing candidate. Yuuki learns about the issues facing the school and decides to run in the election.

Adaptation of Satsuki's route.

Four years ago, a large scale disaster in Tokyo claimed two million lives. The remaining thirteen districts of the city were isolated into the Tokyo Barricade Zone. Morisaki Harumi, an unruly kid with great fighting strength, is his family's sole survivor from the incident.

One day, in a traffic accident, Haru gets pulled into a world of violence and meets Mana, the girl who turned herself into an ancient sword.

The characters you all know from the Yumekui Merry manga, now in 4koma. Prepare for some great laughs.

Set years before the main story, this series follows Minori, Aki, and the other teachers during their days as students at Tenbi.

Yuu is a healthy high school student who harbors a crush for his Kyouko sensei. He absolutely loves everything about her and after fretting about the subject for some time he decides to confess; to his surprise Kyouko Sensei is also in love with him and agrees to date him.

.... The catch is that Yuu doesn't know why Sensei is in love with him, neither he knows her preferences when it comes to how to behave to her partner....

And by the time of when Yuu learns this we have that "Yuumi" is born, now Yuu doesn't know if he should somehow enjoy his new relationship or regret it.

From Tokyopop:
Nightmares are bad enough when asleep, but In Dream World, nightmares are real, physical monsters!
Drake, Hanee, and Kyle fight these Nightmares with not only weapons, but "In Dream Cards". These cards have different elemental powers, and those who wield the cards are masters of their elements. Hanee and her friends must battle their way through the land of Nightmares to find their way home.

From Yen Press:
A mysterious illness is spreading rapidly through the halls of Fujimi High School. In a matter of hours, the campus is transformed from a place of learning into a hive of nightmares, as the infected students collapse and are reborn as flesh-hungry zombies! Only a handful of students escape the initial outbreak — among them Takashi Komuro and his childhood friend, Rei. He manages to protect Rei from the initial onslaught, but how long can Takashi and the other students hope to survive when the whole school – maybe the whole town — is out for their blood?!

Amamiya Shinnpei has been saving up every penny he can for the past three years while working at a car repair shop ever since he finished junior high. Finally, he saved up 1,000,000 yen to take back his stepsister from family relatives. He reunites with his sister after three years and they start living together. However, their newly started lifestyle is ruined by troubles that continue to occur.

A childhood friend Hoki, an aristocracy girl Cecilia, a transfer student Rin, a “boy” Charles and a slightly creepy girl Laura—a four cell slapstick comedy manga full of laughter and tears! ---- Vera