From Easy Going Scans:

Kael (aka Ryu Shiho) was a menace in his angelic form, harassing other angels whenever he got the chance to. Therefore, the heavenly fathers decided to expel him to the human world, hoping that his behaviour would improve. But... They guessed wrong. His attitude didn't get any better at all, and to top it off, humans now call him "Lucifer" because of his evil deeds and his scary eyes. If he ever wants to see the doors of heaven open up to him again, he has to perform a hundred good deeds… Will this task prove to be impossible?

By Strawberrie: This a hilarious shoujo manwha about the hot-blooded girl, Miha Li. One morning, Miha finds a bishonen in the school's changing room. She mistakes him for a pervert and punches him on the spot... But he turns out to be none other than the new transfer student, Han Cheng Shu!? Tomboy Miha is an extremely active and competitive girl who hates to lose. She's such a tomboy that even boys fear her, exactly the way her evil brother wanted her to be. Bishonen Seung-suh is a new transfer student who's got the looks, charm and the desire to sweep her off her feet. Will this male beauty be able to tame the beast? Will the evil brother of the beast let them be together and live happily ever after? Bring it on!

From StarryHeaven:
8th grader Mii is in a hurry to gain experience with guys. But poor her! The guys and girls in her class are at war with each other, so now she’s not allowed to fall in love. Despite this, she falls for the guys’ leader Yashiro anyway… It’s the perfect academy for love wars!

Aria Hoshina transfers to the prestigious school, Saiko Garden, to be with her father, who told her he supervises a girl's dorm. When she arrives there she finds the 222 BOYS that live there to be troublesome.

One day a crowd of boys rushed to Tasuku's school, claiming that he is the "Luck Goddess' Son", also asking Tasuku to get into bed with them, bringing everyone good fortune. Tasuku's very angry about it, but if he used this power he might make his best friend Oono, the lottery lover, become his. In order to test his powers, Tasuku actually begins to lure Oono...!

1. Iku and Keita are childhood buddies. Naturally, having been friends for as long as they can remember, when one started to play baseball, so did the other. During their final year in middle school, Keita's baseball career abruptly ended as a result of the severe injuries he sustained when saving Iku from being hit by a truck. Presently, they go to the same high school. But ever since that accident, Iku has distanced himself from both the game and his friend, presumably out of guilt. What does Keita think about this? It also contains a couple of other short stories such as Utsukushii Asu and Sakura No Junrei. 2. The Sakura Pilgrimage Sugaya believes that guys like Fujishiro, a highly accomplished student rumored to be the next student council president, live in a completely different world and have no impact on his life. That changes one fateful day when he catches Fujishiro making out with a teacher after school. Fujishiro pays Sugaya for his silence, but not without a parting jab at how easily Sugaya's confidence was bought. This appears to be a collection of one-shots. Also contain Bokura no Ashita no Houteishiki (Extra - 6) Sequel to Iku and Keita's Story

Momoko is a fan of Hero shows, like the Power Rangers. The boy she liked in Junior High says mean things about her obsession and breaks her heart. In High School, Momoko tries to reinvent herself, and throws away all her Hero souvenirs. But at school, she is asked to join a Hero Club with 3 tall, handsome members who dress up as Hero characters and patrol the school. They want her to be their Pink Ranger. Even though the other girls are jealous, Momoko is too scarred by her past to embrace her love of Hero stories, and she doesn't get along at all with the Red Ranger.

From Dangerous Pleasure:

Takahiko can't stand Aizawa, a student in another class. As for the reason why, it seems that Aizawa has his eye on Takehiro, a mutual friend.

To save Takehiro from Aizawa's evil clutches, Takahiko plans an onsen trip so he can reveal Aizawa's true colors. However, when he hears about this idiotic plan, Takahiko's best friend Magi is nice enough to play along, but...

Of course there's no way it could all go according to plan. The result is something Takahiko never anticipated!

For the students at the same school, flowers of love bloom in total chaos!

From Intercross: Continuation of the oneshot Bokura no Himitsu o Kyouyuu Shiyou ka.

Hayashi Shoutaro is an otaku and a student who sucks at studying, the results showing on every test. And if that wasn't bad enough, he also calls out things like, the one who scores the lowest has to clean the classroom by themselves. In his class, there is a girl he likes, Kanda Yayoi, who always gets top scores and is popular among the whole class.

When he arrives home after cleaning the classroom, he's met by his perverted, otaku sister who has him cross-play (cross-dressing cosplay) to go to an anime merchandise display. There he meets Yayoi, who it turns out is also an otaku, and she falls in love with his cosplay persona...?

Boku wa Tomodachi ga Sukunai Shobo-n! is a spin-off comic series written by Kazehana Chiruwo and illustrated by Shirabi. It's a collection of oneshots focusing on the members of the Neighbor's Club and their relationships with each other.

1-2) I Want to be Myself and I Want to Know More About You
Ookawa Taketo is in love with his Biology sensei, Tsuruoka. After he confessed, Sensei refused to accept him because he was dumped once by a student before. Will Ookawa’s determination and his strong love convince Sensei?

3) Route 17
Runner Tsuji is confessed to by his kouhai, star athlete Teranishi, but without waiting for an answer, Teranishi tells him to forget about it and runs off!

4) Hope This Can Be Forever
Hiromi's cool exterior hides his growing feelings for Yutaka, but suppressing his emotions where his childish kouhai is concerned is getting more and more difficult. The day is coming when Hiromi won't be able to hold back anymore...

5) The Feeling of Love
Seiji always though a charming smile would get him out of trouble, so he grins idiotically all time. But classmate Inoue only wants to see Seiji smile for real.

6) The Four Seasons at the Toda Flower Shop
Florist Shougo has been alone since his wife Kana died five years ago. Well, almost alone, her annoying and cheerful nephew Takao is determined to stay close to Shougo, no matter what! Takao's love is definitely more than uncle/nephew, but what about Shougo's feelings?

7) Mint Candy
Miyahara's wedding is a reunion for former college classmates stoic Kuze and light-hearted Takeda. Even knowing how cool Kuze is, Takeda is still surprised at his nonchalance, since Takeda always thought that Kuze had a crush on Miyahara...

From Tokyopop:

A rude girl and an effeminate boy switch bodies and find that it might be a better fit for both of them in this crazy comedy:

Nanako Momoi is the belle of high school... as long as she stays quiet. Once she shows her true self, guys' dreams are shattered for she is a true tomboy. Akira Uehara has the looks and brains, but, unfortunately, his personality is so dull it overcasts a shadow, and nobody notices him.

One day, Nanako's grandfather comes up with a crazy invention, and Nanako and Akira trade bodies! She's in his body, and he's in hers!

It's nature vs. nurture when a nerd swaps bodies with the toughest guy in school! Kang Too-Jee and Woo Soo-Choi have swapped...their bodies! After becoming the subjects of a mad scientist's experiment with her latest invention - the quantum teleporter - their bodies are switched, leaving only their minds and spirits intact. Woo Soo-Choi, who was once a model student, must face the life of Kang Too-Jee, a teenage menace. Never having an enemy in his life, he now has to deal with the handful of Kang Too-Jee's list, but will his kinder, gentler demeanor ward off his rivals? Or will survival determine his future? Will he become the hardened fighter that matches his new exterior?

In Change 123, we meet Motoko, a girl with a very strange problem. In order to cope with her 3 adoptive fathers' incredibly intensive training methods, she developed multiple personalities, each with a different martial specialty. But what happens if none of them can beat her opponent on their own? And what further nugget of wisdom will be imparted by the great Kamen Raider?

Dumped after her high society boyfriend uses her, Chidori swears off rich boyfriends. One day, she was robbed, but the guys turned out to be none other than Yuu and Kikuya practicing their acting skills. Chidori is attracted to Kikuya, but a classmate tells her that Kikuya is very rich! Afraid of being hurt again, Chidori keeps a 'safe' distance from him...

Shik-nam is a student that's obsessed with his grades and studying, so much so that, for him, solving problems and equations can reach erotic levels. Needless to say, his interest in anything other than his studies is near zero.

Then comes a complication. The animal kingdom is furious with what the world has become, so they sent Yegrinna, the dog princess, to punish the sinful humans for dirtying the world by turning them into animals. And out of all the places she appears, it's at our unfortunate protagonist's room.

What awaits Shik-nam and Yegrinna now that their fateful meeting has set into motion plans long since in wait?

From M.N.M:
Hana loves the school, caramel and...drawing manga! Her speciality: Drawing romance stories! In real life, her heart beats for the cool Taro, but she's too shy to tell him...unfortunately, Marie, her rival, has decided to steal him!

Included is extra chapter: Tottemo Suteki na Takaramono.

Talk about being at the wrong place at the wrong time! High school student Kazuki Muto had no clue what he was in for when he rescued damsel in distress Tokiko from a monster known as a "homunculus." Disguised as humans—who actually eat humans—homunculi are malevolent creatures that affix themselves to people's brains, and once fully grown, the only thing that can annihilate them is a weapon called Buso Renkin!.
Follow the adventures of Kazuki after he discovers that it was actually Tokiko who saved his life by implanting a kakugane—an alchemical device that transforms into a busou renkin—to replace his heart.

Note: Volume 10 includes the pilot story Embalming —Corpse and Bride— along with liner notes for both it and Busou Renkin.

Chris Watanabe is a high-school teacher. When his father remarries, he finds himself with an English step-brother named Wataru. Wataru transfers to Chris' school, and just as the four of them are starting their new life together, their parents die in a plane crash. Now Chris and Wataru are living alone together. The elder is cute and the younger cool; what will their new life hold for them!?