From Wikipedia: The story is about Kozue Ayuhara, the new girl who transferred to Fujimi College, who tried out for the school volleyball team. Her friendship with Midori would develop, and her talents would impress coach Honga more and more each day. Though she showcased extraordinary volleyball skills, she would make enemies with Yoshimura, the star of the current team. Kozue would discover that being at the top would bring stress, incompatibilities and other dilemmas into her life. Her high expectations of becoming the best volleyball player in the school, Japan and eventually the world, would set the tone for the drama to follow.
15 year old Kasumi Kishimoto arranged to stay with her aunt when she entered high school. Upon ariving she is surprised to learn that there are four other people boarding there, all of whom are male and attending the same high school. And when one of them walks in on her bathing on her first night there, she wonders what she's gotten herself into.
From Aerandria Scans: All this time, Aki has harbored a one-sided crush for a boy she saw jumping higher than anyone else. During the spring when she's in grade 9, Okumura transfered to her class. After seeing his jump, she has the feeling that he's the boy she once saw, and she started to notice him more. And then, she heard an unbelievable rumor about him...
Go Mifune (AKA Speed Racer) enters races all across the world, as he gets wrapped up in international conspiracies and do-or-die situations while also dealing with the enigmatic Masked Racer X...
**"Hyuma, be a big giant star!"**This is the story of Hyuma Hoshi , a hot-blooded boy who endures intense, bloody training in response to his father's wish!Adapted into Anime twice once in 1968, lasting 182 episodes and again in 1977(As Shin Star of the Giants with a follow-up), lasting a total of 75 episodes. Numerous Anime films were also produced as well as an OVA featuring a crossover with Tezuka's Atom, directed by Gundam's Yoshiyuki Tomino.---- **Won the 8th Kodansha Children's Manga Award in 1967**
Tankathlon is a new form of tank sport gaining slowly gaining popularity among Senshado enthusiasts. While also involving tank battles, Tankathlon is distinguished by its lack of official oversight allowing any school with tanks to participate in a battle anywhere at any time, and a 10-ton weight restriction on tanks used, limiting battles to light tanks and tankettes.
Mitsuki Amahara is an avid gymnast in his third year of middle school, but it's not until the final middle school competition that he competes for the first time. There, he is taken aback by the stunning performance of Sakura Dogase, a member of a renowned club. What will Mitsuki do in order to get closer to his goal...?!
(From MangaDownloads): Rough is a romance/sports story by the great Adachi, and this time he seems to have been inpired by Shakespeare's Romeo and Juliet: Yamato Keisuke, a promising freestyle swimmer, and Ninomiya Ami, a talented diver, are the offsprings of two rival families owners of confectionery shops. Two generations ago, Grandfather Ninomiya came up with an idea for an owl-shaped cake, but Grandfather Yamato quickly raised to the challenge and thought of a similar cake--but in Yamato's the owl had ears. Because they're priced the same, Yamato's extra ears were crucial, and that made the business of the Ninomiya confectionery suffered. Grandfather Ninomiya then fell ill worrying about his shop. Before his death, his last words were "I was killed by the Yamatos", and since that moment the two families have been sworn rivals.
In Himi city, where handball is the most popular sport and famous schools come to scout the players, there's Hinezumi High School, the only public school. After going to the inter high 4 years ago, they want to come back there and recover their glory. And for that they have established a height rule, preventing small players to enter the club since height equals power and they don't want small players who can do nothing against bigger opponents. Now Shiguma Eito, small first year who came from Tokyo, is fixated on joining the club since handball is the thing he wants to do...
Jane (Jae-in) is an irrepressible girl who aims to be a champion, and Tae-jin is the innocent boy who loves her. This is the story of their challenges on the road to the championships, and an unlikely summer-time love. Original webcomic
Satoyama Katsuki is a carefree 15 year-old high school kid, and a pretty lazy one at that. However, he secretly has a crush on a girl who happens to share his name: Mizutani Katsuki. Upon finding out that Mizutani's father used to be a pro-boxer, and she herself infatuated with the sport, he reluctantly joins a boxing gym in order to impress Mizutani. Satoyama is quick to find out he may have the blood of a genius boxer running through his veins...
A regular school boy, Hikaru Shindo stumbles upon an old GO board while looking through his grandpa's old storage room for something worth money. From inside the board came an old spirit named Sai who once dedicated his life to GO. Together, Sai continues to search for the move people call "The god's hand" while Hikaru slowly began interest in this ancient game and walks down the road of GO. Hikaru no GO received the Shogakukan Manga Award in 2000 and creators received Tezuka Osamu Cultural Prize in 2003 for the series.