Chinmi, an orphan who lost his parents in a tidal wave, is a promising sumo wrestler. Even though he did very well in the junior championships none of the sumo scouts were interested in signing him because of his body, which is unsuitable for sumo wrestling, and also his weird sumo style. But luck goes his way when a small sumo school owner shows an interest in him and decides to take Chinmi into his school. There Chinmi begins his training to become a Yokozuna...
From Manga Freak: Asuka is a typical high school girl with two big loves in her life: Judo, and Kujyo-senpai. One day, Asuka finally gathers up her nerve to confess her feelings to Kujyo-senpai. But before she can do so, a boy from her past transfers to her school and challenges Asuka to a judo match--if he wins, Asuka will have to be his girlfriend for three months. Who is this boy? Will Asuka ever get a chance to confess to Kujyo-senpai? Who will win this match?
Hiromu is a kid who is slow and bad in sports; despite that, he really wants to do sports. After a day full of failures trying to get to a sports club, he gets to the ping pong club. In the ping pong club he meets someone named Kawazue who is the ace, and he tells Hiromu he can’t join the club, because he probably failed every other club and is underestimating the ping pong club. A friend of Hiromu called Otome who wants Hiromu to get into a club merges in the middle of the conversation and has a match against Kawazue for Hiromu joining the club, but she loses. After that, and a lot of begging, Hiromu plays against Kawazue. If he loses, Otome becomes the ping pong club manager. He almost loses, but than he remembers he always gives up and it’s time to stop giving up. Then he shows wits when Kawazue was about to go, Kawazue got back to the game, just to fall for a smash counter Hiromu who never before played ping pong set up for him, and so he got a point… And entered the ping pong club. Summary by ThE WoRm.
From For The Halibut: The Otohime Private All-Girls High School is a very prestigious school and full of pretty girls. However, there is one male student attending the school, the director’s son Ouji. Ouji is a creepy pervert who can get away with anything because his father doesn’t punish him. He’s got video cameras all over the school to get footage of his classmates naked or near-naked and constantly sneaks around with cameras to get photos of them. The school is his paradise. All this will change in the coming year, though. His father has decided to make the school co-ed, but with only baseball players so that they can aim for winning the National High School Baseball Championship at Koshien Stadium. In preparation for this grand dream, the director insists that the girls of the school establish a cheerleading squad. Seeing his glorious world collapsing around him, Ouji latches on to the most hopeful thing he can find: the cheerleading squad. Now he and the reluctant student council president, Itsuki, are going to recruit members and try to get this team going!
Minori is the manager of her high school's baseball club, which has been defunct up until five years ago. Even now, it's a little rough, since there currently are no seniors in the club at all! None of the second year players know why the club closed so many years ago, or about the baseball history all their fathers share...
From ANN: Kaname Okiura, a student of Prefectoral Umineko Shougyou High ("Umisho" for short), joined the school's swimming club in order to learn how to swim, but the club is filled with weirdos, let alone teaches him swimming. Then, a sunny, happy-go-lucky girl named Amuro Ninagawa who was transferred from Okinawa joined the club. Her extraordinary underwater speed and unorthodox swimming style (plus her personal habit of nude swimming—a powerful magnet to teenage boys) surprised every club member, especially Okiura, because she reminds him of a mermaid-like creature he saw only once in his early childhood.
"You, want to join the track and field club?" Kourin-senpai's words decided the outlook of Fuuko's adolescence. Discovering the joy of running, with Takeo and Kiichi who joined the track and field club together with her, under vigorous training they sweat on the track everyday. Before long, her feelings towards Kourin-senpai's changes from admiration to love... Becoming a sparkling light and running through, an adolescent athletic story starts passionately!!
A collection of seven short stories and a collection of color pages from Rokudenashi Blues from Morita Masanori's career. - Suberu o Itowazu (Setting Up to Fail) A story of two stand-up comedians preparing to participate in a school festival. - Bachi-Atari Rock The pilot oneshot that would eventually lead to the creation of the one volume series under the same name, Bachi-Atari Rock. - Let's Spend The Night Together The story of Tatsumi Shindo, a wrestler coming from a Yakuza family. While he has no interest of having the life of a Yakuza, Tatsumi is stuck having his matches watch by his father and the rest of the yakuza and scaring his opponents. He hopes to be able to prove himself as a strong wrestler and not someone whose family intimidates the opponent. - Jumpin' Jack Flash - Synchronicity - Mysterious Kid - Stay Here
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.
From Adachi's Universe: Slow Step follow the adventures of schoolgirl Minatsu as she looks for a man and tries to stay on top at school. She's got the school bully to worry about, two potential suitors, a pervert for a PE teacher, and a gang of criminals in hot pursuit.
After establishing contact with extraterrestrial civilizations, it was found that humans were the only race to develop various sports. The number of alien sports fans grew dramatically, and the most fanatic of them regularly harass stadiums for taking part in a game, or demanding a good show, etc. Finally a treaty was settled, ruling all interferences towards other planets' cultures illegal. Rabbit Force, a group of rabbit-themed henshin girls, became responsible for enforcing the treaty and capturing any offenders.
A simple slice-of-life manga about a young girl and her father who runs a small bicycle shop.