From DoujinToshokan:
Mare is a mysterious girl who has the power to summon monsters. Mare comes to a high school looking for individuals with relationships full of envy, hate, anger, and desire, searching for unjust acts and dishing out her own brand of justice. What is her purpose, and what challenges await her? And what awaits the students here with her arrival?

From Del Rey:

Lucia is the new girl at school. She and her sister run a public bath that's all the rage. When Lucia meets a terrific-looking surfer boy, there's just one little problem: Lucia is a mermaid-not just any mermaid, but a princess on an important mission to save the seven seas from an evil force bent on taking control of the marine world. Such a responsibility doesn't leave much time for romance. But Lucia vows to protect her world and win the heart of handsome Kaito.

Tankoubon #7 includes 3 short stories

Get Nude
Moonlight Goddess Diana
Cherry Blossom

Alma is born a witch after her father makes a deal with the demon Mephisto. She seems to be able to travel through time and goes back to the middle ages in Europe, the Mayan / Aztecian time as well as the Roman ancient time and Nazi Germany.

Vol.9 in Kemono Series

Kirishima Kaoru is the lover of Daigo Mikihisa. One day, Daigo's father, president of Mercury corporation, orders his illegitimate son to be married to build a political alliance. What would the emotionally fragile Kaoru do when he finds out? A story of two men fighting for their love in the business world!

1-2) Taken Care of You
Chiaki is the new coach for the soccer team. Aiba, a star player, is doubtful that anyone as small as Chiaki can teach him anything. Aiba already cuts practice and doesn't listen to anyone. Chiaki's work is cut off for him, but he really wants to teach Aiba. But teach what is always a question.

3) Leave My Angel Alone
Manabe Kensuke has been asked to take care of and protect his younger cousin, Kai, who is being stalked. As time goes on, the cousins are becoming good friends - very close. But is it too close? Is Kensuke any better than the stalker?

From NOIR:
Memory eaters live on people's memories. They are originally death messengers who remove a human's memories when they carry souls. But some of them are charmed by the beauty of the memories and become Exiles: Memory Eaters. Dio is one of them, but instead of stealing human memories like other Exiles, he earns them by helping people. One day, Dio finds a girl who is losing too many memories from Exiles. He tries to help her, but Ces, who was a model death messenger, is around her. What is he doing here?

N/A

Niu Qingqing is a regular 14-year old girl with a close cousin who is obsessed over Hanfu, or Han Chinese traditional clothing. Qingqing encounters a 'cute' mysterious young boy in early 17th century garb in her cousin's university campus one day, and decides to join the Hanfu club to find him...

After being in an accident, a high-school girl ends up with strange visions of horror, deaths, and murderers. She is not sure whether these are nightmares or premonitions, so she decide to find out the true meaning of the visions.

Oneshot from Sayuri Hime

Tsukasa and Akira are sent to get snacks for the rest of the student council.

"The 20th Century saw a massive conflict between humans and Monsters, with the Monsters winning the hard-fought struggle. As a new century dawns, memories of those times have utterly faded from the minds of men." Monsters rule from the shadows, while humans continue life with a semblance of normalcy, all the while in secret fear. Some try to win favor with the Monsters, offering sacrifices of children. Most turn a blind eye and pretend they don't exist. But there are a few, the Melos Warriors, who continue to fight the Monsters and seek the Melody of Oblivion, a mysterious girl said to hold the key to salvation. Young Serina Bocca awakens as a Melos Warrior and begins his journey in search of the Melody of Oblivion.

Fujisaki joins the Japanese Self-Defense Force thinking it would be easy money for his dream car. He hadn't realizing how much effort basic training would be. Cramped into boot camp with all guys, he grows increasingly frustrated without even a girlfriend to relieve his stress. His very strict drill sergeant, Muromi, who seems to like singling out Fujisaki, offers him a solution.

Erika Klause was separated from her brother when she was little. Determined to meet him, she decides to enroll at Rosenstolz Academy, where she is sure that she will find him. But, on the first day of school, she accidentally meets the five Strahl candidates. Since assistants of the Strahl candidates gain access to the boys' dormitories, Erika becomes determined to become an assistant in order to find her long lost brother. What awaits Erika at Rosenstolz Academy?

Yuki Kaori only did the original character designs.

A manga adaption of Adolf Hitler’s book which combines elements of autobiography with an exposition of Hitler's political ideology pamphlet, first published in 1924. "Mein Kampf" is the latest publication in a collection of historical comic books called "Manga de Dokuha" ("Learn with manga") edited by the publishing firm East Press. The collection already includes manga versions of Karl Marx’s "Capital" and Tolstoy’s "War and Peace".

From Fantasyshrine:

For the sake of his little patient, Resident Doctor Yashiro Takashi agreed to a bet with the beautiful doll maker, Kuze Shinobu, who claimed to be his “destined one”. Unaware of their intertwined fate, Takashi had bonded himself with Shinobu in a spirit marriage.

From Attractive Fascinante:

Yoshizawa Kuuya, a high-schooler, grew up in a single-parent family. Because his mother was an unpopular actress, he had to work part-time as a pizza delivery boy. While making his delivering one day, he accidentally met a gay couple arguing and one of them was his sensei, Kakei Yuuichi. After that, they started to get closer. Was it a coincidence or a destiny?

A nerdy school girl discovers that through her glasses she can see the red thread of fate connecting couples. But who does the thread around her own finger lead to?

Based on info from Midnight Scans:

Megane no Koiwazurai
Despite being in the same class as Takigawa-san, we only started talking after two weeks. And just as I thought, "Takigawa-san" is the glasses-wearing genius who graduated from the same junior high as me. He's Daisuke, whom I loved so much. Even though I called him by his first name before, now I call him by his surname. Then one day, the homeroom teacher ordered me to have Daisuke tutor me...?!

Kimi ni atsui kisu
The popular Hongou-kun always calls Sayaka Class Rep and does not see her as a girl at all. When he is in risk of failing his exams, he pleads with Sayaka to help him study. Will the two of them studying alone in a room change Hongou-kun's impression of Sayaka?

Hazukashii hodo, kimi to
The timid class rep Sakou Riko becomes a cover magazine girl to catch Ryou-kun's eyes. But will she ever be able to let him know that she is really the idol Kokoro that Ryou-kun loves?

Juuyoku egotism
Hagane and Suzu have been dating since middle school, but now Hagane wont touch Suzu anymore. Does he not want to be her boyfriend anymore?

Amore!
The tall Aruto works part time in the restaurang owned by Rio-sempai's family. She admires Rio-sempai but does he not really prefer shorter girls?

A gag 4-koma manga about a girl named Medaka who enrolls in a school that will let anyone in so long as they're literate. This included a talking dog and a talking cat, which shouldn't be surprising since the principal has a fish for a head. Crazy, funny stuff!

From Shoujo Manga Maniac:

Whenever she sees a boy of her type, Ai gets excited and reckless. Because of this animal instinct, she hasn't had a boyfriend for fifteen years. However, Daiki, who is handsomest among students, wants to date her. She thinks that if she missed this chance, no one would be waiting for her any more. Is it her last chance!?