In senior high, Yang Mu Li and Xun An drifted apart because of a misunderstanding. Seven years after graduating, they've both returned to their alma mater as teachers: Yang Mu Li as a two-faced math teacher, and Xun An as a cool and aloof PE teacher. But it seems that Yang Mu Li... doesn't recognize Xun An?!

Though many things have remained the same, the people themselves have changed. Can the feelings that once died come back once more? Meanwhile, the secrets they held during that one shared year of high school are slowly revealing themselves...

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A webtoon by the author of Love Like Cherry Blossoms!

From AOC Translations!:
New Tooyama manga to be serialized in December 2015. This love is a new sensation! 1000% heart-pounding. A love for a person she can't say 'I love you' to is about to start. Mayo is a very shy girl. She meets Aoba-kun in her weird part-time job, and they begin to spend their secret time alone, but... The boy she meets is the one she is closest to, but is also the one she can't love. A far too clumsy, secret, unrequited love.

Although she had traveled to the Royal Capital to train as a lady of the court, before she realized it, the daughter of an impoverished Earl was seen as nothing more than another of the servants. It was during one of her usual morning cleaning rounds when by chance the Crown Prince Isaac, who was rumored for one reason or another to keep all women at arm's length, passed by, but...

When she tried to return the document he dropped, she got caught up in a maelstrom of trouble!?

And for that matter, what do you mean that happens to all the women who approach the Crown Prince...!?

"There's nothing in this world that money can't buy!" Denko got the "face" of Sayuri, the most beautiful girl in school, for a lot of money. WIth her beautiful face, she even stole Sayuri's lover...!? Super SHOCKING!! Maruinu's very scary story.

From Chibi Manga:
A noble's daughter, Kyouka, picked up a man long time ago. The man is beautiful, but he is unkempt. He has somehow become her butler, but he must not commit this crime towards 'his lady'

Sheltered sixteen years old Arisugawa Suzu enjoys, among other things, shougi, rakugo and spending time with his grandfather. While her all-girls school friends dream of having a boyfriend, Suzu’s idea of a pure and proper relationship can wait until her eighteen birthday. A handsome guy and some train encounters later set the beginning of a light-hearted comedy.

Mashiro has spent the last thirteen years of her life locked away in a room as she protects the gods that live in her hair, being slowly restored. However, when the door opens to the room and she stumbles outside, she finds that things are not how they seem, and the gods are unleashed.

There exists seven kingdoms within the Wonder Planet. The Sunny Kingdom is home to Princess Rein and her twin sister Princess Fine. The planet lived in peace until one day the Blessing of the Sun began to fade. If the Blessing goes out all life on the planet will perish! Princesses Rein and Fine are bestowed with the power of Prominence to help save their planet, but will the two most “un-princess-like princesses since the beginning of the Wonder Planet” be able to master such power and save their planet?

An Engagement ‘Love Fantasy’ that all started with a ring!
Daughter of the Countess, Aurora, attended an evening party. Despite attending, she wouldn’t talk to anyone and only stared at the embroidery on the various dresses.
Then she was suddenly hit with a single ring!? What in the world could this mean…?

This love is too heavy!!!

Lutia, the reincarnation of the Holy Sword Exceltier, was just a normal girl working for the guild. One day, the Holy Sword’s former owner and the hero, Ashard, walks into the guild! The Holy Sword Exceltier completed its role after the battle against the Demon Lord but it seems that Ashard loved the Holy Sword too much, even going as far to bathe and sleep with it! If he finds out Lutia is the reincarnation of Exceltier, what will happen to his love?!

From Shoujo Crusade:

Takeda Una's ultimate wish is to find a boyfriend with whom to spend a romantic Christmas. All her previous boyfriends were weirdos, so she is nervous about being able to find a normal one. Will she succeed in her quest?

*Also includes another story called Umi ga Kikoeru (I Heard the Ocean).

The daughter of the Daites Province's Duke, Milliana, had enjoyed her previous life in modern Japan. However, to despite her present status, she finds life in her present world very inconvenient. Especially, the lack of BL! So she seeks to reform the province's culture to achieve a comfortable life and moe! Eventually, to marry into another family, the disinherited former crown prince, Mathesa, arrived...?!

Waking up as the descentand of a Nobel family of traditional Chinese medicine, Han Fei found herself unable to bend down and see her toes.
Later, she found out that she is known as the famous fat woman of the prime minister Han's house, the eldest daughter of the Han family.
And King Qin, who was laughed at and crippled, was her husband to be appointed.
She finds the person born for being a perfect match for her, For the face similar to a celebrity, Han Fei decided that she wants to lose weight, and She's going to have the best wedding!

From Summer Rain and Senpai Scans:

Sonokawa Tsubasa - 15 years old.
A bubbly, energetic girl who's called 'stalker' by a lot of her classmates because she chases after the guy she wants relentlessly. After getting rejected by an upperclassman who saved her at the train station, she decides to help her childhood friend, Yuri, with her job as the basketball club's manager. There, she meets quiet, unobtrusive Akkey...

Aoyoma Tsukiko has always been misunderstood due to her expressionless face. Having to repeat first year of high school again due to her usual bad luck, she strives to have a happy and cheerful high school life. Then meets her classmate who is a deliberate loner. However, due to her nature, she aims to befriend him, much to his annoyance. Can a friendship grow between a poker face, cheerful girl and the loner? Can she break through his walls?

Am I reborn? in my previous life I was a designer who had just graduated, then one day had an accident. Adelaide, that's what's new in this new life, my life feels very boring, but suddenly there is news that there is a girl across dimensions, and decided to go to the capital. Is there something waiting in the capital?

Shibazeki Suiren is a stunningly beautiful girl. When she enters high school, most of her classmates are astonished by her beauty, but after noticing her quiet manners and lack of contact with anyone else except her friends Yuri and Aya, she receives the nickname "Takane no Hana", a beautiful flower but impossible to reach. However, after a fellow freshman called Kawasumi Kouha saves her from a persistent suitor, she finds herself mesmerized by him... as he's the only boy who won't look at her no matter what.

In a modern-day loli's home, a super handsome ancient Jinyiwei falls from the sky! Without parental care, the loli takes him as her closest person and even wants to become his bride?! Though he appears tsundere, cold, and picky on the surface, he finds it harder and harder to let go of her...

Note: Jinyiwei (in English "embroidered military guard") were secret police in China during the Ming dynasty (see Wikipedia for more).

The story centers around Yuna and Akari who have two very different views of love: Yuna is someone who sees love as a dream and Akari is someone who is very realistic about her romance choices. Meanwhile, there are two boys, Kazuomi and Rio, who also have different views of love: Kazuomi’s an airhead and doesn't understand the concept of love while Rio grabs the opportunity when confessed to as long as the girl looks cute.

http://betsuma.shueisha.co.jp/furifura/

Ruka, who never had a boyfriend in 17 years due to her shyness, keeps dreaming of a silver knight calling her name. One day, she hears a rumor about a stone that can make its owner have sweet dreams while sleeping. Followed by a strange event, Ruka tries the stone and is brought into the dream. However, what she finds in that dream isn't something that she had expected. She wakes up neither in her bed nor in her own world, but in a world where Valkyries rule.