Genre - Seinen

From MangaHelpers: Not a lot of people know that one of the most talented and ruthless Mahjong players in the city is a young high school boy. Kei is a teenager of few words, but his observation skills, unwavering will and experience in the game allows him to survive in a world full of powerful, rich and dangerous characters. Kei is currently hiding a girl named Amina who has entered the country illegally and protecting her from being deported. He spends his days sleeping through class and his nights playing high-stakes Mahjong, waiting for when a worthy opponent arrives. [vyc]

Tokimori-san is a successful woman with beautiful features. However, she has a tendency to be somewhat forgetful when she is not working! I'm always nervous about living with the charming Tokimori-san!

A collection of short stories: 1) Boketsu 2) Taikutsu na Tsuki 3) Johnny kara no Dengon 4) Round Girl 5) Nade-shiko 6) Chinpa 7) Jinsei Kaya no Soto (Kari)

Following a temporal war that ravaged Japan, the young Shoichi, his two sisters and other children must flee their homeland by boat. During this journey, they are attacked by strange suitor samurai from the future. A girl named Shizue has her face by stolen an unknown life form. The children will be rescued by the crew of a strange battleship, the Yumihari. On board, Shoichi can only note that Shizue's face have completely healed...

A story about two aliens that were sent to earth to scout for resources and their adventures in Tokyo

The story revolves around an underground barrier beneath Tokyo that separates our world from the evil spirits of another world. For centuries, the Hirasaka family has been entrusted with protecting this barrier. Within the past ten years, a conspiracy of unknown parties has been dismantling the barrier, piece by piece, and the future of Tokyo rests in one man who vows vengeance.

"When we enter high school, be sure to make me your own." Tetsuo's childhood friend Kaede Shiraishi made that promise to him as a young girl before she moved away. Kaede never left Tetsuo's mind, and his dreams finally came true when they both reunited in high school. However, Tetsuo's older brother ended up making Kaede his own. Tetsuo couldn't stand hearing his brother interacting with his former crush in the next room day in and day out, so he decided to go to Tokyo, taking a "certain secret" along with him. But... Set in the Shimokitazawa district in Tokyo, this youth drama will tug at your heartstrings as it depicts a young man who continues to mature through his many encounters.

The brand new sequel of Toukyou Kushu resumes after a time skip and new characters make their appearance.

Tengawa Taiyô (the sun in Japan) is a great (but unrecognized) game creator and the boss of his own development studio (but he\\\'s in debt). He then meets a nice young woman, but she comes to turn his loser company

The story takes after the battles of street gangs in a not so distant future rendition of Tokyo.

From the creator of Saikano comes this manga take on the Mark Twain classic. (Source: Entropy)

Tales of a high school calligraphy club. A story about a high school calligraphy club on the verge of breaking up that enters in a major competition while overcoming problems. Yuki, a promising female judoist, and Yukari, a quiet Canadian-raised boy who just returned to Japan, end up joining the club for the sake of maintaining the membership required to keep the club. Together with the old club members with unique characters, they gradually discover the fun of calligraphy and work together to win in the competition. -- NHK Tomehane! was nominated for best manga at the first two Manga Taisho.

Tomie is a mysterious, beautiful girl you just cant get rid of. She will come to your life from nowhere, and whatever you do, kill her or love her, she will come back to you in the end. A collection of mainly independent short stories.

Furi Youko certainly resembles a criminal: She portrays herself as a tough girl who would fit right in with a gang. Taira Namito is immediately afraid of her when he sits next to her in his high school class. However, it turns out that behind Furi's rough exterior is a healthy, absolutely adorable person who has the desire for Taira. Even though he can't comprehend that part.) In this romantic comedy about a clueless man and the adorable, if not terrifying, affections of the tough girl by his side, one misunderstanding leads to another!

Mundane problems happen every now and then. While not life-changing, they certainly can get someone in a pretty pickle! Luckily Nanige-san shows up around those close to her and helps out.Mundane problems happen every now and then. While not life-changing, they certainly can get someone in a pretty pickle! Luckily Nanige-san shows up around those close to her and helps out.