Narumi Luna is a high-school student who only wants to make friends, but her tough appearance keeps everyone at bay. When she rescues a black cat from a cruel fate, she gets kicked out of her apartment. With nowhere to go, a chance encounter with the school’s elite changes her life…!

Haruko is a teenage girl who shares with her brother a love of laying around the house in sweats, watching television and playing video games. Her brother has a few friends, but Haruko has a lot of problems with social anxiety. The two of them pass their days happily playing together, though their mother worries about how she's going to get Haruko to shape up enough to find a husband.

The happy daily life of Muco, a not-too-bright Akita dog, and his owner Komatsu-san the glass-blower.
Based on a real dog of the same name.

From Spttoon
After the suspicious death of her brother, Zena Han decides to continue her training to become a top matial arts student so that she can be accepted into a clan and obtain the coveted title of action idol. She transfers to a new school and soons finds herself barreling down a path where power and truth can be uncovered.

Shinozaki Mikoto is a student whose life is really routine. Going to school, going home, going to school, going home... nothing changes... until the day the girl he likes talks to him and introduces him to cycling. His life now has a new meaning, and a bright path has shown itself to Shinozaki. Experiencing both failure and success throughout his training, he works hard to become the best cyclist in the world.

In addition to "Love/Death", about a couple who clash over the limits of their feelings, Kuzushiro's latest volume also includes “Nicochuu”—the story of a delinquent with straight A’s and her admired sempai with a good bit of bark but only gentle bites.

Kanako is a young woman who is running an old book store. One day, a customer comes in who shares her taste in books. He's a teenager named Akio, and he and Kanako quickly find that their taste in books is only the first of many ways that they fit together well. Kanako immediately realizes she wants him, and soon blurts out awkward things, like proposals of marriage and cohabitation. Despite their different ages and their awkwardness, it seems like their relationship has the potential to grow into something beautiful.

A collection of short stories:

• Boketsu

• Taikutsu na Tsuki

• Johnny kara no Dengon

• Round Girl

• Nade-shiko

• Chinpa

• Jinsei Kaya no Soto (Kari)

Kanade Ichinose is a violin major in his third year of college. When he first entered the university, everyone had high hopes for him, from his professors to fellow students. However, he distances himself from everyone and everything except music. He refuses to participate in competitions, as he see no point in it. When it comes time to think what he wants to do with his life, he just eases into his mother's music tutoring business.
He realizes that he is a boring and pessimistic guy but has no idea how to change... or what to change into.
Then, one day he sees a girl standing barefoot in the snow outside an apartment and thinks, "If it's for her, I can change." This is the story of Kanade's entry into the world of overclocking.

While studying in the park one day, a boy comes across an anthropomorphic cat girl.

From September Scanlations;

Here starts the Konya spinoff series, focusing more on Gorou and Verde! There’s plenty of Endou and Rikiya as well, but this story will spend more time telling the story of these heretofore side characters. The story takes place immediately after the last Konya chapter, so you can think of this as Chapter 20, just less focus on Endo/Rikiya and more on Gorou/Verde.

Yamada Tarou is living a regular life, until the death of the father he never sees catapults him into the role of the 13th King of the holy Phantasma kingdom. Now that he's king, Tarou has become the target of assassins, and all he has on his side is a mistress, Princess Kaguya, whose goal is to make Tarou a worthy king.

The "after school love comedy" story follows Hana, a small, quiet girl who attends a discipline training all-girls school because she was attracted to the cute uniform. She secretly works at a fancy shop as a part-timer, and one day Hina, the school's super-slender beauty, joins as a new employee.

Nanase Haruka is a sixth-grade elementary school student who loves connecting with the water and feeling the water as he swims, and he attends a local swim club together with his childhood best friend Tachibana Makoto and Hazuki Nagisa, one year younger than the both of them. Then, one winter’s day as graduation draws near, Matsuoka Rin transfers into Haruka and the others’ school from another swim club. Through swimming, Haruka strengthens his bonds with Makoto and Nagisa, as well as with Rin–at which point Rin, with his passion for the medley relay, suggests they form a team together and enter a tournament.

This is the novel that the anime Free! is based on in manga form at last! (September Scans)

15-year-old country girl, Suzume Yosano, has to move to Tokyo to live with her uncle due to her father's transfer. She bumps into a mysterious man who ends up taking her to her uncle's place after she gets lost. Turns out, Suzume will be seeing him a lot more often once she starts school because... he's her homeroom teacher!?

Included in the manga is a oneshot story called Tsuyu Kaoru (A Love Story in Moist Rainy Days) in volume six:
A romantic and melancholic love story behind a red umbrella.

Noboru Takizawa is your normal student. However upon being transferred to a new school the first thing that happens is that he steps on a land mine! From that point on, he fights against the hall monitor and gets past him. In the turmoil of it all, he meets the lovely Yukari and befriends her. Later on, he meets Ibuki, who later becomes his rival to win Yukari's heart.

It turns out that the school Takizawa has transferred to is trying to tyrannize the students of the class he's entered. It is now his job to try and help them out and keep their class! He does this by trying his best in showing the class has potential in a sports festival at the school. Meanwhile in the background, Takizawa's father is setting the teacher's straight and making them stop their evil ways.

The basic plot is that Takizawa transfers to schools where the teachers have messed up methods to deal with students, or schools where there are obscure and crazy rules. His father accompanies him and pretends to be one of the teachers to try and sneak up on the evil or corrupt teachers and end their tyranny.

Eun-soo Cha is the main character of the story. Eun-soo has hated her Mother ever since she was abandoned by her. Raised by her Grandma, she became a wild child that likes to fight. She has even disguised herself so well as a guy that people won't believe her even if she says she's a girl. She can fight well, and is even referred to as hot by girls. One day, however, her Grandma's already bad health worsens, and she promises not to fight anymore. When Eun-soo's grandma dies soon after, she decides to leave Dae-Jeon (where she lives) and goes to Seoul to live with her Mother, despite still hating her, because she has nowhere else to go. There, she runs into one of the best fighters, at her new school, and immediately gets on his bad side. What will happen? Will she break her promise to her grandma? Will love bloom?

Based on the Korean Internet Novel, "암컷늑대의 BOY" by i쿠키i조아 (iCookieiLike)

Short story about the Udou brothers' very different love lives.

A prequel to Freezing detailing the background and origins of Kazuha Aoi, Kazuya's older sister, Arnett McMillian and many other girls of Pandora.

"Why do people fall in love?" Arika Togawa doesn't understand why she has fallen in love with her classmate, Takaomi Matsubue, as she hardly knows him. Together they decide to find out how two strangers can fall in love, encountering other wonderful but strange love stories along the way. Religious, occult, and popular iconography figure prominently in this "Truly Mysterious Love Manga."