From Viz:

Demons like Rara are supposed to cause mischief in the mortal world and draw humans to darkness. They're not supposed to help mortals and they're definitely not supposed to fall in love with them! But that's just what happens when Rara enters high school, where a hot guy named Retsu Aku calls her "Gaba Kawa"!

From Aerandria Scans:

Higashisanjou Ayako is called the queen of Hibarigaoka Academy – she’s smart, beautiful, cool, and practically perfect at everything she does. However, little does everyone know that she has another side to her. One day, Yuzuki Haruka, who everyone calls the king of the academy, finds out Ayako’s secret. Will our queen have a peaceful and perfect life again with her secret in the hands of this little sadistic king?

From ShoujoMagic:

Miori is always fighting with her boyfriend, a middle-school teacher, about her job as a hostess. After one such argument Miori goes out and ties one on and afterwards meets a young man who lends an ear and a shoulder... But then later on, she discovers something quite unexpected...

Ling Er's hand in marriage is the prize in the competition set up by her wealthy father, however, none of the men entered know her horrible secret. Our hero through a string of events, ends up falling out of the sky and miraculously beats out the competition in one swoop. Just when he thought everything was going to turn out great, he was stunned by the reality.

From Stage Storm:
Seiko and Kanako are the daughters of two important companies. Nijihiko, the son of another company must choose a wife between them, but Kanako is kidnapped. Miruku is a happy girl, crazy for cakes and pies, and really good at kendo. She looks like the missing girl so she's asked to substitute her to meet Nijihiko.

From Esthétique:

Manabe is a an ex-model who feels insecure about herself. She wants to live a life unnoticed by others, so at school, she's called "corner girl." She's always by herself, and doesn't associate with anyone. Its all about change when she accidentally meets her teacher, who also happens to be a photographer.

Fumiko lives together with her parents and her Rabbit. One day, when her parents aren't at home, her Rabbit is gone and instead there is a sweet boy with bunny ears.

From Awakened Memories and StarryHeaven: Tamaki is an only child brought up by her mother alone. But then, her mother passed away due to an illness, and now she has no relatives. When she visited the Ootori family - a family that's totally strange to her - according to her mother's will, the one waiting for her was Shinga, a super rich and hot guy, but also extremely arrogant and horrible. Suddenly, he declares that starting today, she's his wife, and he stole her first kiss?! NOTE: The second and third volume of this series continues with the sequel, Hanayomesama wa 16-sai - 2nd season. The total completed 3 volumes is comprised of both the prequel and the sequel together.

When she stands, she is a peony; when she sits, she is a lotus; when she walks, she is a lily. Oozing sex pheromones in full throttle, is the perfectly flawless princess, Hanada Ran. And now that she's transferring from her high-class all girls school to a co-ed school, she's decided to search for her prince! First she meets Kashiwagi Eiji, a lively boy who insults her--he's the last man she'd ever want. Then she meets the student body president, Watabe Shizuru, a perfect prince, and sets her sights on him! But then her parents announce that she has an arranged marriage with the son of the people who saved their lives... the Kashiwagi family!?

From Taciturnity Scans:

Ever since the day Ran Kurono's older brother, was killed while protecting Sei Ohtori, she has dedicated her skills and life to one day becoming the First Knight of the next head of the Ohtori family, even concealing the fact that she's a woman forever. For generations the Kurono family has served the Ohtori family as their First Knight, but 11 other lower knights with ill intentions of using the Ohtori family's authority vie for that title. Not only that, but Sei is being tested to see if she is suitable for having the title of head of the family. Upon entering Saint Locks Academy, the days of both Ran and Sei's trials begin, all the while being helped by Sei's untidy and unrefined fiance, Ibara Tennou.

From Aerandria Scans:

Shirotae is a beautiful girl with some kind of past. When she transfers to Sagaouka Academy, where her uncle is the director, there is a system called the “princess system.” Shirotae is made the princess, but...?!

From Intercross:
Terao Chigusa has always loved a certain book called "Dear, Mr. Nameless." Plus, she has a very timid personality, so much so that she gets REALLY scared when confronted by Takaya Tooru. However, one day, she ends up living the same situation as her beloved book!? How will she react!?

From Intercross:

A rich guy who has a life like that of a celebrity now has to experience destitution! Let's see how he'll cope with this dramatic change.

Luna is seventeen years old, doesn't have a boyfriend, and is getting crazy about it. When an old friend, two years younger than her, comes back into her life, everything will change.

Menga is simply known as the vice rep and is bullied. Hanako has moved to Korea but was robbed the first day and has nothing. Na Hong Soo is known as a troublemaker and is in constant trouble. And Eechan is the student body president, very popular and known as Bacchus. It seems they have nothing in common, but this will change soon.

1. Goshujin-sama to Atashi (Master and I)
Yoshinori got saved by classmate Sakura. Yoshinori's true identity is Yuki, a VIP fortune teller who has clients. In order to pay for her older brother's debt, Sakura became his bodyguard?!

2. Jingle Delivery: Santa-kun's Circumstance
On the path, a Santa Claus has fallen... and Atsushi gives this guy some food. Luckily, this Santa turns out to be genuine, and allows him to grant the wish of the girl he likes; the problem is, he'll take Santa's place if he doesn't grant her wish!

[From Impossibility]:

Nakamura Sano feels great stress when his girlfriend asks him to meet her father. When he gets the courage to come visit, he discovers that her father is actually a first class DJ who doesn't want his daughter to date Sano. As a result, Sano throws himself into the DJ world and enters the DJ preliminary match to prove himself worthy for his daughter!

From Intercross:

1. Gokujou Twins
Morinaga Sara, 16 years old, is a cool, yet calm girl... But in reality, she has this incredibly ugly smile. Because of the trauma she experienced, she became expressionless. However, the source of her trauma, the twins, who apparently became really good-looking, suddenly appears right in front of her!

2. Chocolate Sensou
Konishi has made Valentine chocolate for her secret crush Nakata-senpai but amidst giving senpai the chocolate, they accidently get handed to Makino Shinichirou. As Konishi says its not for him and hurting Makino's pride in the process, it becomes a game of trying to get her Valentine chocolate back from Makino before the end of the day.

3. Itazura Ouji
Mayuri was asked to be in charge of educating a selfish rich young boy. What will happen to her…?!

4. Katekyo to Obenkyou
Nina has a home tutor who is extremely mean. She considers him the devil. But her feelings get confused when she sees his nice side...

5. Gokujou Twins - Mio no Jijyou
A short extra to Gokujou Twins.

Kang Eun Woo is the infamous "princess" that Kang Joon Hyuk adores. Although many think she must be very beautiful because Joon Hyuk is also a hottie, she... just eats and sleeps (thats about it). Why does Joon Hyuk care for her so much? Well, I don't know, but touch her and prepare to be annihilated!

From Azure:
Nanhi Hong is the second child in the Hong family. She has an older brother, who is the jjang (boss) of his school, and a younger brother, who is a member of the rival school's gang. When Nanhi meets a mysterious student, things begin to get complicated. What will Nanhi do?