This story is about the budding relationship between the president of the science club and a yankee girl.

From Vampire Knights:

Xu Min takes care of the family because her parents go to work early every morning. On the first day of high school, on a crowded train, she accidentally kisses the annoying and humourous Buay Fan. From then on, her normally peaceful life is disrupted...

From Wataame Shoujo:
Suh-Ah is a quiet and reserved high school girl who almost seems unapproachable. One fine Saturday after school, Suh-Ah is dragged into a "meeting" with boys from the neighboring highschool because one of the girls gets sick.
Fate lands the well-known "king card" (Hwan) on her lap and she immediately says good bye and goes home. This incident hurts Hwan's pride and haunts him, to the point that he has to see Suh-Ah again...

1-2) Love Panic
Hoshi confesses his love to Keita, but does Keita really understand or will Hoshi have to prove his seriousness?

3-4) Aisome
Tougo is in love with his master Seijuurou. He's even willing to give up his life for him, but is that really what his master wants?

5) Renka
Banjou has been taking care of Misao (Seijuurou's younger brother) for the past 10 years. What will happen when Misao asks him to teach him about what happens after kissing?

5.5) Virgin Mini Panic
Keita is upset so Hoshi has decided to give Keita his 'Back Virginity', but is that really going to work out or will Keita be eaten instead?

To the dismay of the class rep Chizu, the cool girl Ayaka suddenly turned into a flashy delinquent. Chizu wonders what might have happened and why she herself is so eager to go above and beyond her call of duty to keep the formerly quiet girl out of trouble.

Set years before the main story, this series follows Minori, Aki, and the other teachers during their days as students at Tenbi.

From vyc:
Takamizawa Shinichi has just transferred schools and is staying at the male dorm with his new friend Kato Masaya who is showing him around. He tells Takamizawa that he needs to pay his respects to Intel who oversees the male dorm housing. It turns out that Intel is a person who looks to be a pretty girl who seems almost machine-like. Although Intel has some human aspects, Takamizawa is puzzled by the truth behind Intel and, whether he wants to or not, he's about to find out more.

One day, a girl was given a beautiful locket by another girl who said that it represented herself. All the girl now wants is to find the locket's creator once more, and her search leads her to Kitamoto-sensei and her Handicrafts club. However, Kitamoto-sensei seems more than reluctant to help her...

Takahashi wants good luck for the new year so she can get closer to Yoshizawa, but instead her fortune reads "Terrible Luck". What's a poor unlucky girl like her to do?

Haruto and Ikuto have just transferred to a boarding school. Beautiful Ikuto is instantly a target for the boys all around! And as his brother Haruto desperately protects him, the School King, Ouga, has his own plans in mind!! All-boys school has never been this dangerous!! (from back cover, translated by Nakama)

Yuu is a healthy high school student who harbors a crush for his Kyouko sensei. He absolutely loves everything about her and after fretting about the subject for some time he decides to confess; to his surprise Kyouko Sensei is also in love with him and agrees to date him.

.... The catch is that Yuu doesn't know why Sensei is in love with him, neither he knows her preferences when it comes to how to behave to her partner....

And by the time of when Yuu learns this we have that "Yuumi" is born, now Yuu doesn't know if he should somehow enjoy his new relationship or regret it.

From Attractive Fascinante: Mizuhara Kana is staying together with his cousin, Shuuya. Kana has a weak heart and Shuuya has been taking care of him. Somehow, Kana felt like a bird locked in a cage and hoped to have some breathing space. A coincidental meeting with the transfer student, Aoi Rin, changed Kana’s life. He fell head over heels into this first love. The mysterious Aoi taught him about the freedom outside the cage, but the risk that came along with this freedom could cost Kana’s life. The love story of a bird flying out of the cage during the summer, will Shuuya rescue Kana in time?

A story featured in the manga, Crazy Kouzu BC. When they were little, three friends, Kaya, Takashi and Hiroshi spent time with each other before fate separated them. Now two years later, they meet each other once again during one summer day.

1) Melty Honey
"I will make him my slave!" Makoto Hinohara planned to seduce the shabby looking teacher, Aiba. Contrarily, to his surprise, he was aroused by his teacher; the touch of his fingers and the tip of his tongue. The tender looking teacher had turned out to be such a devilish person! So now what will Makoto Hinohara do? (From Fushichou)

2) Lovely Honey
Continuation of Melty Honey

3) Belated Toffee / Belated Sugar
Oda sensei, the infirmary teacher, loves to fool around with the young boys in school with no strings attached, but sometimes some of his actions have Consequences.

4) Love is not Enough
Saki's mother and his step father committed a double suicide. Saki, who know the reasons for their death, left with debts and a pain in his soul all alone in the world - or is he? His step-father's non-biological brother took him under his wings but can Saki leave the past behind him and trust him?

5) Uncontrollable Love
Continuation of Love is not Enough

6) Plenty of Time before the Break / Still Early for a Break
Hiroyuki fired from him job because he hit his boss that was molesting him, now, he's jobless and has no where to go, but still can find consolation in a good cup of coffee.

Extra I) Honey Recipe / The Recipe for Honey
Chapters 1+2 Extra

Extra II) Untill Love is Born, I will hold you / Holding you Tight Until you love me
Chapters 4+5 Extra

"In the Afternoon..." is the sequel to Konno Kita's earlier work "Nowhere to Go". Moriya's antics continue, and Miwa comes down with a cold. (from Lililicious)

Note: Original language image is unavailable.

From Tenkyuugi:

In this world, there are 10 heavenly laws and 22 earthly laws. While humans cannot have knowledge of the heavenly laws used by the gods, they make use of the earthly laws. Through cards, each of the symbols can be utilized through the use of magic. Those with this ability are called magicians. Aspiring magicians study the laws in order to attend a magic institute. Nanao, Kisa, and Nanten of Nase are freshmen enrolled at the Seventh Eastern Magic Institute. Even within the 22 laws, there exist a rare ability. Nanao, who holds this ability, will...?

Two classmates joke around about their close relationship.

From Fate & Enchantment Scans

Ritsuka, a Ryousei student, believes that she’ll find a wonderful boyfriend by following the love legends. After all, her older sister, Aya, followed them, and she got married! Yet every time Ritsuka carries out a legend superstition, Kuze-kun gets in her way…

Although they fight all the time, Kuze-kun is always there for her when she’s feeling scared or anxious. While his words are ill-natured, he is kind to her, so Ritsuka feels happy even when she’s mad at him…

Ritsuka falls in love with Kuze-kun. After four of the legendary superstitions were completed, Ritsuka and Kuze-kun fell in love with each other, but…?!

From Dan of Population GO:
Two students leading troubled lives are pulled together by the flower bed at their school.