Katori Itto and Yura Kazuma are childhood rivals. Itto is small and quarrelsome while Kazuma is big and vindictive. Itto has been holding a grudge against Kazuma for a long time from the scar Kazuma made him five years ago during a fight… After years of travelling with his father, Itto finally returns to Japan only to reunite with a childhood rival, Kazuma. A very hilarious combination of circumstances will bring the unpredictable Itto to join Kazuma's soccer team at Seiga Middle School… The manga follows this wacky duo as they, alongside the rest of the team, 'battle' other middle school teams on the road to becoming Japan 's best. The intense footy goodness is only second to the ridiculously hilarious situations that Itto somehow manages to find himself in.

From ANN:

The story of the comedy manga revolves around Yūji Yugami and Chihiro Watanuki, who sit next to each other in class. Unfortunately for the transfer student Chihiro, Yūji is weird... extremely weird. Even though he's the ace of the baseball club, he hasn't adapted to the club at all. He also stands apart from the rest of the class, but seems completely satisfied with being alone.

A parody of the popular Prince of Tennis series, it chronicles the daily school life of various characters.

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...

Yamada is the plant appointee; tending the school's garden of flowers on her own. She isn't the slightest bit athletic, she's actually quite clumsy. However, that doesn't stop her from having feelings for the star athlete in the class next-door, Kase-san. Slightly shy, Yamada is reluctant about her feelings for the enthusiastic Kase-san. Slowly but surely, the pair are helping each other to grow in confidence for both themselves and their budding relationship, each blush and brush of the hand at a time.

Seven Seas Releases:
Vol. 1 - Kase-san and Morning Glory
Vol. 2 - Kase-san and Bento
Vol. 3 - Kase-san and Shortcake
Vol. 4 - Kase-san and Apron

Year 2055, 4 years after the events in Danball Senki W. LBXs have become the world's largest hobby, big enough for pro leagues to be established, and people to make their entire living off being an LBX player. 14-year-old Arata is a new transfer student at Kamui Daimon Integrated Academy on Kamui Island, near Japan. Known to be the most prestigious institution in the world for raising LBX players and mechanics, entrance to the academy requires an extremely competitive hurdle of being the champion of at least 3 official tournaments. Along with other members of his platoon, they face rivals and delve into the secrets lurking within the academy.

Kakeru, a former elite runner at high school, is chased for stealing food. He is saved by a Kansei University student Haiji, who is also a runner. Haiji persuades Kakeru to live in the old apartment 'Chikuseisou' where he plans to team up with fellow residents to enter Hakone Ekiden Marathon, one of the most prominent university races in Japan. Kakeru soon finds out that all of the residents except for Haiji and himself are complete novices.

During high school, Hamura hurt Jin with the lowest of words and the most foolish of actions. Having regretted this ever since, his only wish is that they can be reunited. But when it finally happens...

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College student Hamura Yuzuki is a track-and-field athlete who has competed at the National Championship level during middle and senior high school. However, he focuses strictly on pole-vaulting, to the detriment of his team. This is due to a casual comment by Akishima Jin, a fellow athlete with whom he parted ways after graduation, about the sky being the means through which they are connected. He cannot forget Jin or detach from their past, and this causes problems with his girlfriend, one of which leads to a coincidental reunion with his obsession.

The organization known as “Gigant” has sent one of their best men to kill a cute young high school girl. However, the assassin seems reluctant… Why did he get these strange orders? What’s the secret behind that girl?

On his first day of transferring to a new high school, a loner named Mori Buntarou, is cajoled by a classmate into climbing the school building. Despite knowing that one misstep could send him spiraling to his death, he moves forward, and upon finally reaching the top, Mori experiences a sense of fulfillment. That feeling, which seems to be telling him, "You're alive!" gives birth to an adrenaline for rock-climbing.

Note: Sakamoto Shinichi did both the story and the art from Volume 4 onwards.
The manga won an Excellence Prize in the manga division at the 2010 Japan Media Arts Festival. It also won Best Seinen Manga at the 2011 Prix Mangawa Awards.

Blood, guts and glory! You can find it all on the rugby field. A young man is about to be introduced to the sport of rugby!

Yuusuke and Atsushi are brothers by their parents remarriage. They haven't seen each other since Yuusuke moved to Tokyo for university. And now Atsushi is doing the same, moving in with Yuusuke for his university studies.

Three years can bring a lot of changes in someone. Atsushi has matured, gotten taller and also much colder. How will Yuusuke bridged the distance that have grown?

Taken from ANN:
Aozora Yell centers on Tsubasa, a girl who saw an inspirational brass band performance at the finals of the Japanese high school baseball championships one summer. Tsubasa vows to join the band when she enters high school, and she happens to meet a certain boy who has a similar goal which both of them are striving for.

Heroine, Sakuragi Mayu, is a 2nd-year at Kantojo Gakuin. One day she decides to give up gyaru lifestyle and return to baseball she loved so much. What kind of pitching will be shown by Mayu, rumoured to be a genius pitcher!?

From Blissful Sin:

Track team member Kashiwagi Ayumu has put aside his secret feelings for his classmate, Shinohara Takahito.
One day, his track club senpai, Sawatari Atsushi, realizes Ayumu’s feelings, and embraces Ayumu against his will in attempt to cure his own boredom.
Sawatari seems cold hearted, but suddenly reveals a tenderness to the resisting Ayumu, but…?!


English publication via Renta!

On the first day of high school Nohara Tama - who is just a plain, ordinary girl - gets herself involved in a heated argument between two baseball fans. As a result, Saitama White Cats fan Nishitake Reona and Fukuoka Falcons fan Daiei Haruko drag her to the baseball stadium. How will the fate of Tama - who doesn't know the first thing about baseball - play out!?

The story takes place in Okinawa, where Haruka forms a beach volleyball pair with Kanata. Kanata, who couldn't handle the pressure put on her by her short height, had given up on beach volleyball already, but is convinced by Haruka to step back on the sand once again and aim for the junior tournament.

It's about a guy named Yuuji, who loves to play rugby. One day he just up and dies, in the middle of a rugby match. His spirit is unable to rest, because his team has never gotten a try. So what does he do? Take over someone else's body to accomplish this goal. But... the body turns out to be a girl's!

High school boy x girl from a mahjong club

From Stage Storm:
Yukino, a single skater who had to quit because of a lesion, goes to say her farewell to the ice rink where she used to practice and is now being demolished. Itsuki Kouga, a former skater and head of the group in charge of the demolition notices her skills and makes a proposition to her: to pair up with Romain Guilbert, a half-Japanese, half-Canadian skater who ranked 6th in the Junior World Championships, for ice dance.