From Girls' Generation Scanlations:

Eri is careful to hide his true character. As luck would have it, one of the new teacher assistants under his care is Motou, an old student from his past. What will Eri do, faced with those candid eyes? Thus begins the tale - spanning over years - of a romance between a faithful teacher assistant and a masquerading teacher.

In the same school, love is budding between Motou's hardworking friend, Izumi, and an awkward teacher from a cram school named Makino. Their story is told in "Together".

There is something a bit twisted inside of the teenage girl Madoka. It comes out one day when she has to deal with a groper on a public train. He may be scarred for life by the time she's finally through with him but for her, at least, this encounter may only be the beginning.

Alternative note: If you are a male sub or a Female Dom, then this manga might be to your liking. If you're a Male Dom, then go read Nana to Kaoru instead of this. Nana to Kaoru is a much happier Dom/sub romance manga, whereas Ibitsu turns dark toward the end chapters.

Imagine living in a town where supernatural beings stalk the night for their next prey. Toukei Ibun takes place 29 years after Tokyo was established as the capital of modern Japan. Manzou is the owner of an inn in the town of Asakusa. His friend Hirakawa is a journalist who is investigating the bizarre crimes that keep occurring all over the city in the dead of night.

In a world where dangerous aberrations lurk outside the walls of the last human refuge, Piras, the spoiled and immature son of a war hero, must recover his identity after being classified as a terrorist and hunted down by a corrupt empire. Awaken is an ongoing webcomic.

A tale from Rain's younger days when he was searching for a new teacher:

Upon the death of his old master, a young swordsman embarks on a journey to the legendary Country of the Mist where the one he was recommended to is said to reside.

Born only a reunion with you...
300 years ago, peony flower essence
Lover's heart to find the reincarnation of
Fallen and Qiu Shui
Of time, unrequited love
Soul-stirring, touching and tempting...

Luo'Hua was found under a Mu Dan Blossom Tree as a baby, and taken in by a man where she joined his family. The man's wife regards her as her husband's child out of wedlock (and a curse that made their beautiful flower garden die), so Luo-Hua lives her life suffering because of these assumptions, and her only friend is her stepbrother, Yi Qing. As a teenager, Luo'Hua is taken in as a servant in the Gui household to repay her family's debt to the Gui family, and finds herself among much conflict as she's assigned to deliver the young master's clothes and meals under the Gui Madam's schemes.

From Stiletto Heels:

Haru has been living with her stepfather, Seiji, ever since she lost her mother at a young age. However, on the heels of Seiji's grandfather's funeral and with news that their apartment is scheduled to be demolished, she begins to take a fresh look at her circumstances.

Miyoshi Yoshimune (nickname: Yoshi-Yoshi) just moved to Ikebukuro because of his parents’ work. While exploring his new town with his classmates, Mikado, Anri, and Kida, he hears rumors about “The Headless Rider” and “Color Gangs.” While chasing after these rumors, he gets dragged into a conspiracy involving the whole of Ikebukuro…

Adapted from the PSP game of the same name focusing on a new original character.

From Forever More:
Shidou highschool Institute is an all-boys dormitory school located far from the city inside the mountains. Takumi, who is going out with the famous Gii - Saki Giichi in the academy, has a secret which no one knows...

Series goes on like that:
1. June Pride - licensed by Blu (September 2007)
2. Barefoot Waltz - licensed by Blu (December 2007)
3. Tales out of Season - licensed by Blu (March 2008)
4. Bibou no Detail
5. Jealousy
6. Hanachiru Yoru ni Kimi wo Omoeba
7. Pure
8. Pure 2

June Pride:
Far away from the city, deep within the mountains, sits the all-boys high school, Shidou Academy. In years past, this school housed only the sons of the most elite families in the country, but these days it welcomes all into its historic halls. Takumi, a boy from humble origins, prepares to begin his second year at the school. Held back by psychological issues, Takumi's indifferent attitude has garnered him no friends and the reputation as a cold fish. Then along comes Gui, a wealthy and charismatic student born in America. Gui is the only person who doesn't see Takumi as odd, and the two become friends. But how will the two cope when Gui confesses his love to Takumi? And can the couple survive the revelation of the secret behind the psychological problems that plague Takumi?

Barefoot Waltz:
17 year-old violin prodigy, Sachi, has scheduled a performance at Shidou Academy that has all the student body abuzz. This is especially true for Takumi who gave up the violin, but has nevertheless been an ardent admirer of Sachi for years. When the two become friends, how will it affect Takumi's relationship with Gui? And what is the true reason behind Sachi's visit to Shidou Academy?

Tales out of Season:
When Takumi and Gui hear an odd sound in the science lab late one night, they discover a photograph that leads them to a mystery involving the school clock tower. Is the school haunted by a vengeful ghost? Or is someone hiding a dark secret? And when the couple spends their first Christmas together, will Gui play the role of Santa and fulfill all of Takumi's desires?

From Aerandria Scans:

Endou Kana is a cheerful school girl who has a secret crush on... the mayor, Minato Kouichi, a perfect gentleman and well-liked leader of the post-war town. With the help of her friend Akira, she investigates him, until the trail leads her to an abandoned-looking house where a strange and scary foreigner lives. He and Kouichi seem to have some kind of relationship, but what is it? Kana's and Akira's take on that question are completely different and there's still a chance both of them are wrong!

From bl-gyaru:

Niia is a good student who always has the top grade in his class. One day, his teacher finds out that he’s a smoker, so to receive a recommendation letter from the school, he’s willing to do anything for his teacher.

From The Zero Alliance:
Every ten years, a young woman is offered as a sacrifice to the mountain god.
When the tengu goes to see the sacrifice, he finds out that the sacrifice actually volunteered for the role.
And the sacrifice turns out to be a young boy.

When Yukiya's family begins to fall apart, who is the one that will save him?

In Hong Kong, Nishi is a young policeman investigating a case of strange murders, where the victims appear to have died of fatal blood loss. But the investigation is taken over by a mysterious organization, whose members warn Nishi that he had better not keep on trying to uncover the truth. Some time later, as Nishi wanders in the city, he is suddenly attacked by a monster; but a beautiful stranger saves him.

A demon called Jade is ordered by the king of the demon world to collect tears from a human being. When he arrives in the human world, Jade encounters a man named Cole, who he believes will be his perfect target.

Litong wishes to get into a relationship with his neighbour, Yijie, but Yijie treats Litong like a servant! He doesn't know what to do, and is in distress. What'll happen next?

In order to get the sacred magic found in the human world, androgynous wizard master July leaves the forest he governs, and moves towards the palace in search for the magic...

Kirishima, is a popular teenage boy and a star athlete at his school. For some unknown reason, he seems to have vanished off the face of the earth after quitting the volleyball team. His disappearance eventually became pivotal to the collection of stories about various individuals who are connected to him in some way, with each having a unique point of view about connections, relationships, social boundaries, and the similar events that revolve around them.

This story is based on the omnibus novel "Kirishima, Bukatsu Yamerutteyo" by Asai Ryou which was first published in February 2010.

As boys, they always made fun of the person rumored to live in a quiet, old house, even though they never saw her.

Now, years later, one of them wonders if that person is still alive and approaches the house.

From Entropy:
A manhwa one-shot about a girl who is unsure if she should continue the relationship with her longtime lover with a flirtatious past. Should she trust him this time or not? Could he ever change his ways?