Gouriki Tama, a girl with dreams of playing in the Japanese high-school baseball championship series (the Summer Koushien), enrolls in the elite baseball school, Kokusai Tenjou Senior High School, and tries to join the team as their starting pitcher. However the team captain, Tachibana Sukekiyo, rejects her because she is a female. There she decides to form her own team that will beat Sukekiyo's team and become the official baseball team of Kokusai Tenjou High. Her first recruit is a kindred spirit by the name of Oseki Shiko, a powerful sumo wrestler who was refused entry onto the school's sumo team also due to her sex. Shiko becomes Tama's catcher and the two form the "Shikotamas" whose goal is to take down the all-boy school baseball team and qualify for the Kouchien. (Source: Wikipedia)
Based on the popular fighting game series by SNK, known in the West as Samurai Shodown.
The manga's story centres on Shingo Nakazawa, a high school boy who remains emotionless, even as the rest of humanity is coming to grips with the possibility of extinction due to the approach of a world-ending meteor. At the beginning of the story, Japan thinks itself saved from disaster, only to face another one. (Source: Anime News Network)
With excellent teachers and a perfect monitoring system, this high school promised absolutely zero bullying. Seiwa, a first-year student there, meets a former classmate, Shijo-san, who was bullied in junior high school. The two gradually become friends in this bully-free school. One day, however, Seiwa learns that Shijo-san was bullied, and then he sees her jumping off the rooftop. A shocking “zero bullying” mystery! (Source: Yanmaga, translated)
Even a troubled young lady can find happiness! A comic anthology depicting young ladies who, for various reasons, are branded as villainesses, but end up living a life of doting love!! (Source: Mag Garden, translated)
Graduating at the top of her class, elite detective candidate Jun Shibata is transferred to the section that handles cases deemed "unsolvable" by the department. Her partner, though a well-respected and experienced detective, has grown complacent after unsuccessfully pursuing these cases that many consider an exercise in futility. With her upper-class breeding, her colleagues don't expect much from her either, but she surprises them all with her motivation and astounding powers of deduction.
Imagine waking up in a world that's completely foreign to you after being asleep for 500 years. That's exactly what happened to Vaiken Ordo, a legendary alchemist who successfully reincarnated into the form of a young boy. However, he soon realizes that the art of alchemy has been forgotten by the people in this new world. Determined to unravel the mystery of what happened during those 500 years, Vaiken sets out on an adventure as an alchemist and explorer. With the help of a quirky little fairy, he unleashes his unmatched alchemy skills to navigate the challenges that come their way. Get ready for a fantastical journey filled with mystery, adventure, and the power of alchemy!
What happens when you combine pirates with some sort of Battle Royale? You get Dead Flag. An entire class has been selected to participate in it. They have ten days to rack up the most points by plundering, looting, and murdering. The top thirteen individuals win Dead Flag.
The first day of her long-awaited high school life ♪ Ruki was so excited that she ended up being late. As she rushed to the entrance ceremony, she heard a voice coming from inside the gym storage room! There, she found a ferocious beast, or rather, a handsome man being held captive!! The person in the storage room was second-year Toraji-senpai. He even told her, "Ruki is my zookeeper!" But Ruki is constantly at the mercy of this elusive senpai who is sometimes mean and sometimes kind...!? Can she tame this free-spirited handsome man?! A thrilling love story ♪
When someone you love asks you to do something, you have no choice but to do your best. The cat who works at the company in place of the missing Yoshizawa is called "Yoshizawa Cat." It's already been five years since he started waiting, enduring harassment in human society... When will Yoshizawa come back?! A comedy manga about the everyday life of a hardworking cat who is both tough and adorable, and devoted to Yoshizawa! (Source: Kodansha, translated)

