From Dan of Population GO:
Yuzuha was just dumped by a guy who rides the same train as her. But who else takes that train? Yousuke, a 12 year old who has developed a crush on Yuzuha. This is a story of the honest love that Yousuke feels.

Machiko transfers schools after witnessing her friend's suicide. Now, at her new high school a string of murders is occurring. It seems as though Machiko can't escape such bloody events after all..

The Empire of Corpses is a story that takes place in 19th century Europe, and revolves around John Watson, who is scouted by the government to become a secret agent. However, Watson lives in a world where "Frankensteins"—human corpses that are re-purposed with a false soul in order to use them as labourers—are used to improve industrial development.

The plot focuses on the Marquise de Merteuil and the Vicomte de Valmont, rivals who use sex as a weapon of humiliation and degradation, all the while enjoying their cruel games. Their targets are the virtuous Madame de Tourvel and Cécile de Volanges, a young girl who has fallen in love with her music tutor, the Chevalier Danceny. In order to gain their trust, Merteuil and Valmont pretend to help the secret lovers so they can use them later in their own treacherous schemes.

Note: The manga is an adaptation of "Les Liaisons dangereuses" by Pierre Choderlos de Laclos.

“Angel,” an experiment, escapes from the lab, and joins Hua Ye’s clan, where there's a 26 year old guy who hates children and nine hooligans. What kind of stories will unfold with them and Angel, who has always yearned for a family? Original Webcomic: http://ac.qq.com/Comic/comicInfo/id/521717

Yuzuru, a yankee with a mean face, requests Satomi, his senpai, to "make him his little brother" in order to repay him for helping his family when they had money issues. Yuzuru then starts to follow Satomi around and serve him by tending to his every need. But Satomi is getting annoyed by all the attention, and our Yuzuru won't give up! Until Satomi decides to ask him to sleep with him...

Chapters 1-3 were previously scanlated as part of Ichiban Chikaku de Koi o Suru.

High school teacher Yanagi Haruchika and his ex-student, host Shishida Kiyomasa are in the middle of their honeymoon cohabitation! Contrary to his looks, Kiyomasa is meticulous both in chores and in bed, and Haruchika wonders if he can make the both of them happy, but... In the midst of this, a student of Haruchika's, Asako, suddenly enters their life...?! Can Haruchika and Kiyomasa's lovey-dovey daily life possibly survive this?

PILGRIM'S CASTLE

Yvain has been working as a maid in the Sandell household since she was 15. One day she accompanies her employers on a luxury cruise ship. Who would have thought the ship would sink! Yvain is swept away by the strong currents of the sea... When she awakens, she finds herself on the Island of Lions, where the mysterious yet alluring marquess, Juan, lives...

English publication via Renta!

Inui Narumi, who joined the company, where there is a beautiful and sexy “Demon Boss” !? A thrilling social life in many ways… Start

The elementary schoolers Yuuta and Yui had their body swapped when Yuuta fell down from a tree. It's already been three years, and now they're in middle school. How will they co-operate in dealing with this as they grow up?

Collection of short stories: 1. Shishunki Miman Okotowari Ending - At long last, Yuu Watase brings us the final chapter of the Shinshunki Miman Okotowari series. Manato returns from America, but he doesn't come with the best news for Asuka. This might be the last time he returns to Japan. 2. Couple - Inaho has fallen in love with Takumi, the lead guitarist of a high school band. With hand-made gifts and her strange personality, she gets Takumi to ask her out. But only with a special biwa (a Japanese lute) can their relationship last. 3. Chikyu no Arukikata - Ayuki just got dumped. On the same day, she hurt her ankle during track practice. Later, Ayuki gets trapped on the wrong train to the coast. On this train, she meets Hiroto, a guy who has quit school in search of himself. Ayuki wonders if she should do the same.

A noisy little family, a cheerful group of classmates, and a boy, born on the first year of the lunar calendar living a never changing life. Then one day he notices a girl in his class shrouded in mystery. Her name is Makina. However, the boy just can't seem to bring himself to talk to Makina. Then one day, before the first lunar calendar month, another mysterious beauty appears. Her name is Rushia, and as she leans in as if she is going to kiss him, she tells him about a mysterious power hidden inside him called "Snake Eyes".

Bossa goes to an all-boys school, and like that in itself isn't the worst possible scenario for an adolescent boy, his classmates have recently started playing a game where the objective is to make the opponent aroused before they can do the same to you. Bossa finds it all disgusting and pathetic, but his self-proclaimed best friend Akiyama is determined to "defeat" him.

From Blissful Sin:

Taishou has complicated feelings toward another member of his high school swim team, Captain Kido Akiharu. A decent yet unimpressive swimmer, Taishou is often aggravated by Akiharu's calm and composed attitude. So, what is Taishou to do when Akiharu corners him in the locker room?!

In order to eliminate the villains that ran rampant around the world, the assassin Tsuji strives to kill everyday. On the day of the junior high school graduation ceremony, he killed the bully as requested, but it was witnessed by his classmate, Shiroyuki-san. This is the story of the bloody romance between a killer and his stalker!!

Mayama Haruki and Himemiya Tsukiko have been childhood friends and neighbors for as long as they can remember, but after a girls-only meeting in fourth grade, Himemiya distanced herself from Mayama. Now in their 2nd year of middle school, Mayama has become an ero-freak who specializes in harassing Himemiya. Determined to unravel the greatest secret of girls, what happens on "that day", Mayama follows Himemiya and uncovers.

Lately, Shirasaka, a high school student has become anxious and restless. The reason being, is because his close friend Kuroda who is better than him in school and sports suddenly grew making him look more mature and he feels as though he will be left behind. One day after school when club activities ended, Shirasaka who still has feelings of anxiousness was napping and was suddenly kissed by Kuroda…!?

David is a "typical Japanese high school student" who looks exactly like Michelangelo's David statue.

Vega is an alien who fights to protect Earth from Monsters. One day, she loses her powers and in order to get them back, she constantly asks her friend, Washimine to kiss her.

A girl runs away from home, pretending to have been kidnapped.