Ito, a girl who is physically abused by her father, nonetheless hides it from the people around her. But when things spiral out of control only Ibuki is willing to reach out his hand to try and save her. As the two are drawn together, however, he is simultaneously tied down by obligations difficult to break away from no matter where his heart lays.

From StarryHeaven:
Miyuu Nanahara is just your average ordinary girl: she has her school, friends, and love troubles. Especially with love. She loves the most popular guy in school. Secretly, he loves her too! What’s keeping these two from getting together…?

Yuuma is taciturn and no one knows what she’s thinking. But then, she’ll meet someone that will change that…

Akira has just ran away from home; Lying face-down on the floor, out in the pouring rain. By chance, a guy walked by and accidentally stepped on Akira's hand. The guy took Akira to his apartment, and they end up sleeping with each other. But after dropping akira off, he announces he wants nothing to do with Akira. What will akira do after this? Also to add, Akira's over-worrying friend Takumi who also likes Akira, and a teacher who'd threatened to do something to Akira's friend if akira doesn't give him what he wants...

This is Masashi Kishimoto's manga, Karakuri. It was created before Naruto and was collected in Naruto: The Official Premium Fanbook.

In order to combat a deadly virus, an implant was made that is transplanted into a human being's nervous system. Unfortunately, this implant technology was also used by the less scrupulous to create human weapons, blood-red eyed creatures referred to as "Roido". To cope with this threat the defense agency has created the Karakuri unit, an elite unit whose human members are monitored by small talking animals. As Kiru the karakuri goes to visit his friends Koten and Koron while on leave, he's going to learn that there are no days off against the Roido!

CH.1 - YUNI-SAN: Kaoru is a boy with a tough home life and almost no one to care for him. While wandering the streets alone one night he happens to meet a man -- a foreigner named Yuni, who shows Kaoru that friendship and love do exist.

CH.2 - KAERU-KUN: In middle school, a new student, Nagare KAE, nicknamed "Kaeru-kun" against his will, feels like an outcast because of his name. Kae skips school in favor of video games; however, at the arcade he meets his classmate Kaoru, whom he unwittingly befriends.

CH.3 - SHUU Part 1: Now in high school, Kaoru's friend Yuu insists on bringing him to his house near every day. Kaoru meets Shuu, Yuu's older brother, who intrigues him. Curious from the things Yuu's said about his brother, Kaoru confronts Shuu about relationships...

English version via Renta!

Gomennasai.
A student hooks up with a woman for casual sex. They have an awkward meeting sometime afterward, in his classroom... because she's a substitute teacher.

Bousou Kiss

"...Gokko"
Brother and sister. A couple plays an incestuous game where they do perverted things to each other until one gives up.

Otoshigoro

One Step

Ferris Wheel
Sudo-san has a lover, who is two years younger than her, Takahana-kun. After receiving the news that Takahana-kun is going to be transferred, she thinks about how to work out their relationship.

Yume Musubi to

Hakuchu Yamu

Yoshi x Yoshi

Only One
Izumi Taeko is a weird and flighty girl, rumor has it you'll only need a coin to get your way with her, but is this true?

- Animexis

Reset

From Blissful Sin:

1-4) Kanpeki na Koibito (A Perfect Lover)
The beauty, Shinohara, who just moved into the staff dorms, is misunderstood by his subordinate, Ueda, to be a masochist! Even though Shinohara tried hard to clear up all misunderstandings, his body seems to be addicted to the taunting eyes and commanding kisses, that he feels extreme exhilaration...?!

5) Then I Fell in Love (Oneshot)
Higaky Naoya, a successful crime novels writer, lives his life quietly and in seclusion in his big house all alone until he came across with an interloper.

From Ochibichan:

“Recruiting those who want to finish it and die, but feel sad doing it alone…”
Fed up with everything, Mie posted a notice on an Internet Bulletin Board and found suicide-partners. Four boys and girls were gathered together because of their ties to death. And then…?!

A collection of oneshots dealing with psychological themes like death, suicide and bullying.

It's Called Love is a romantic shoujo manga that consists of 5 short stories. Each story is done by a different author but in each you will experience the various expressions of love such as heartbreak, first kiss, etc. 1) To Be Your Number One by Ayu Watanabe 2) Sakura Tears by Keiko Suenobu 3) Special by Ikeda Yukio 4) Summer Love by Tsugumi 5) The Force of Dreams by Harui Yuna

From Fantasyshrine:

After his mother passed away, Kyousuke decided to live alone and transfer to another school. There he met a rather peculiar classmate named Kaname who’s unable to talk. Although Kaname cannot speak, he was able to somehow convey his feelings clearly through writing and facial expressions that made Kyousuke more drawn to him. However, Kaname’s cousin, Satoshi noticed the intimacy developing between the two which he could not approve… A sweet ardent, story of pure love unfolds…

From JShoujo Scans: Growing up on the wrong side of the tracks in Bend, Mississippi, Becky Lynn Lee doesn't have the luxury of dreaming. With an abusive father and a broken mother, she always thought that this was it. But after the ultimate betrayal, Becky Lynn can no longer live the nightmare. Determined never to go back, Becky Lynn escapes to Hollywood. As a photographer's assistant, she discovers a talent for spotting beauty and capturing the perfect shot. When the camera eventually turns on her, the awkward, shy Becky Lynn of her childhood disappears. But when the success she's achieved is threatened, Becky Lynn must find the strength to embrace her new identity and put the ugliness of her past behind her forever. Based on Erica Spindler's novel "RED"

From Broccoli:

Spirits known as kamui are thrown into chaos when the sacred spirit Okikurumi is taken from Atsuma's village, and the imbalance threatens to destroy Earth. Infused with the spirit of an ancient sword, Atsuma must leave his village to reclaim Okikurumi.

He encounters NOA, an organization of youths who wield the power of the kamui, and who may hold the key to Okikurumi. Atsuma is recruited into NOA by Sumire, a young woman with an empty soul who yearns for a miracle. Atsuma and his new companions must work together to find Okikurumi before the world is destroyed.

From Summer Rain:
Despite being the heir to a large business enterprise, Taichi Akamatsu wants to become a shoujo manga-ka and has just started living on his own in an old, run-down apartment. One day, Taichi was asked for help by the girl next door—her name was Midori. She reminded Taichi of “Midori,” his ex-girlfriend, but for some reason he still became interested in her.
This year marks the 10th anniversary of Ai Okaue’s debut as well as the release of her most recent work. Reading her work makes you want to fall in love again. A scramble romance comedy of friendship and love.

Girard and ViVi are special government agents known as "Right Arms" whose job is to seek and destroy people who have become infected.

In their world, a weird virus that turns people into monsters has run rampant. The only way humanity can survive is to keep tight control on the infected to prevent the spread of the virus. If the virus' symptoms appear, the person must be disposed of. It's a tough world where even children must sometimes be killed to give humanity as a whole a chance to survive.

One-shot webcomic involving a girl, a train, and another person.

(from Baka-updates): This manga is about a girl named Mulan, who donned armor in her aged father's place and came to serve in the Sui Dynasty's expedition to Gao Ju Li (Korea). However, due to a revolt caused by Imperial corruption, there came an event which would greatly change the course of her fate!!

From Chibi Manga:

Asuka, the ace of the volleyball club is training to become the best. But there's the devil coach, Nagano...

In the mountains of North Carolina lies a mansion named Windsong Place. Ryan, the heir to the mansion, and Sunny, the housekeeper's granddaughter, fall in love and marry. However, Ryan's father, angry at his son's marriage to a girl far below his status, disinherits Ryan and sells off the mansion. Soon after, their marriage deteriorates and Ryan and Sunny go their separate ways... 10 years later, Windsong Place, now a hotel, is being auctioned. Ryan returns to make a bid for the hotel, while Sunny arrives hoping to find work. And there, the two meet again!

English publication via Renta!