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!?

Two brothers, Shunpei and Kyouhei, have very opposite characters but share a crush on their cute sister Anko. The three of them live with their excentric father, may (or may not) have diffferent mothers, have fun, lots of tantrums and try to lead a happy life in junior high school.

From Omanga:

Eiji Otsuka and Sho-u Tajima at it again, Eiji in a much more minor role this time, however. In any case, this a relatively older and short comedy series (4 volumes) that should be a fun break from their usual mayhem with MPD (Multiple Personality/Dissociative Identity Disorder) .

In 1994, this manga was published as a whole under title "BROTHERS High School".

From Boys On Boys Love:

Katou is a member of the high school swim club. Matsuoka has come to bring him lunch and use Katou as his stress relief punching bag yet again. To the sympathy of his club mates, impulsive Katou totally falls for him, saying with a shy smile that Matsuoka is cute… Even as Katou treats Matsuoka kindly and tells him that he loves him, Matsuoka remains a total tsundere, leaving doubts to linger in his heart!

Mizuhashi Nao is a 16 year old, who is shy and friendless. He passes his class breaks in the toilet playing games where he won't be bothered. One day an upperclassman appears peaking from above and with a huge nosebleed that covers him with blood. Her name is Serika. Wait, a girl?! What is a girl doing in the boys restroom? And why did she just ask him out on a date? Nao's world is about to be turned upside down.

Sakurai Sayuki was born with sharp eyes that make her look like she's always angry, even though she's not. Because of her looks, students around her misunderstand her as a bully and scary girl when in fact she's "a romantic". After 15 years without a boyfriend, she started off her high school year with hopes of love...

Also includes:
Yes or Kiss (Volume 2)
One night, Miyu was confessed and kissed by her friend, Ai's, boyfriend.

Keiko is a junior 2nd year student, but has no experience in love. One day, while going to school, she helps an unconscious 'cute boy' who fainted from anemia. Being two-faced, he doesn’t thank Keiko but instead calls her an old lady. Surprising as it is, that boy goes to her school and is a first year.

Also includes 2 oneshots: Never Let Go of Your Hand and Sweet Relationship.