Yuu is famous for having an extreme brother complex. In reality, she has emotions for her little brother, Hiro, which have far exceeded a normal sisterly love. A little complicated family love comedy from the author of "Hyakko." This is a story of forbidden love with an older sister, a younger brother and their half sibling Tomo as well.

In the spring of Kyoko's first year in high school, Eiko, a girl like a sister to her, returns with her younger brother, Jiro. The return isn't that big of a deal, but Jiro (self-proclaimed super mad scientist) has it in his head that he wants to operate on Kyoko! And, what's even more, the two of them are actually high ranking members of an evil organization on the run from the heroes of justice!
As if high school didn't have enough problems already, now she has to deal with these two living with her.

Kurosaka Gengo is just your normal highschool boy, who likes to skip cleaning duty. However, Gengo's peaceful life ends when he comes across a strange man. That man claims to be an alien and is in need of Gengo's body to survive on earth. Not only does Gengo deal with the alien, but with others that are after him!

Rushuna is a blonde and very beautiful senshi (gun expert) that travels through the world with one purpose. This is to make the world a peaceful place by, instead of fighting with weapons, taking away people´s will to fight by giving them a smile. Although she doesn´t want to fight, she is forced to and shows amazing gun skills. In this journey she meets Yajiro, a mercenary swordsman, who joins her on her journey.

Meet Eikichi Onizuka a 22-year-old ex-biker. He's crude, foul-mouthed, and has a split-second temper. His unlikely goal: to be the Greatest High School Teacher in the World! Of course, the only reason he wants to be a teacher is so he can try to score with the hot students. Before he can become a full instructor, he's got to work as a student teacher to earn his credentials. Onizuka may think he's the toughest guy on campus, but when he meets his class full of bullies, blackmailers, and scheming sadists, he'll have to prove it.

Note: Won the 22nd Kodansha Manga Award for Best Shounen Manga.

Meiji Aporo's just started attending Saint Richard Academy, a girls' boarding school. Unfortunately, Aporo's kind of a massive ditz...

...which annoys her roommate Chiroru to no end.

Not one to be discouraged though, Aporo does her best to win Chiroru over...

...or maybe drive her crazy.

Whichever comes first.

from Horobi no Michi

By the same mangaka of Nyoron Churuya-san:

Yume Midokoro is the tale of a girl whose dreams suddenly become semi-reality, as she meets a clone of herself from her dreams

From Del Rey:

The young ninja Kagetora has been given a great honor - to serve a renowned family of skilled martial artists. But on arrival, he's handed a challenging assignment: teach the heir to the dynasty, the charming but clumsy Yuki, the deft moves of self-defense and combat. For a ninja like Kagetora, to fall in love with his master is a betrayal of his duty, the ultimate dishonor, and strictly forbidden. Can Kagetora help Yuki overcome her ungainly nature… or will he be overcome by his growing feelings?

One day, suddenly... a night where the moon shines like never before, a boy meets the otherworldly Serin, a denizen of Chaos, only to die and become the undead. Now immortal, he can no longer exist with humans due to an ancient law... A tale of revelations that begins as he returns to Chaos, the start of a new adventure!

From SCX-Scans:

Three girls arrive at a talent agency in the hopes of becoming a popular idol… Unfortunately, only one was selected. However, it is decided in the end they’ll combine their efforts and form a threesome idol group, Triple Booking!

Mingyum wants to become East Asia Strongest martial artist, however, he has no Zen, which makes it impossible for him to reach that goal.

One day, he gets lost and finds a group of thugs, in an attempt to save a girl, he gets beat up. But in the heat of the fight, a blond foreign girl saves his life while claiming to be his fiancée. Almost at the same time, an accident occurs and Mingyum discovers he can use a huge amount of Zen, if only for a limited amount of time.

What will happen next?

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.

Won the Shogakukan Manga Award in 2000.

Magical☆Star Kanon 100% is a mini-series spin-off of Kami nomi zo Shiru Sekai, starring Kanon as a magical girl.

One chapter is unscanlated.

Hardworking level one magician Konoha is apprenticed to lazy Knight Protector Saionji Ikumaru. They both work to keep the ether world sealed away from their own but sometimes the seal doesn't work. Dragons, demons, and now Ishtar, the goddess of Venus. Will Ishtar help Konoha win her master's affections? Or will she take him for herself?

In a small village, there is a legend about a person born from a sakura tree one thousand years ago. Though she appeared human in form, she could not understand love, and was therefore cruel. She was eventually destroyed. Now, the mythical Sakura tree is going to attempt to create human life once again. This time it is up to two high school students, the incredibly beautiful Tasuku and the love-allergic girl Honomi, to teach the Sakura Child about love.

Kane Blueriver and Canal, his AI companion, are trouble contractors who take jobs which require their special skills. This could go from armed escort, to patrol, to capturing dangerous criminals. Milly is a private eye who has to be the best at everything (uchuu ichi!!). When the three of them get together, they run into one mess after another, gradually uncovering more of a mystery that ties the legendary Lost Ships to all of their pasts, bringing them closer and closer to a discovery that something called Nightmare would rather not have them find...

Utsuru Sanada is a professional photographer at the age of 17, he can guess the exact 3 sizes of any girl, he can memorize anything he sees, and he can counterattack karate moves (most guys would want these abilities). Why? Because he has superb photographic memory called “Shutter Eye”. He meets Niko Kurihara, the female protagonist, who dislikes men, is a master of martial arts, and is of course beautiful. Utsuru attempts to prove to Niko that he is not the guy she thinks he is so that he can take a picture of her. He starts by investigating Niko’s friend’s date, who appears to be a deceptive guy according to rumors…

Ran as a one-shot in 2009; started serialization in 2010.

Saiki Takaya, a guy who is easily misunderstood, one day finds a flask containing the succubus Lilim. She is very attractive but, she also has the tendency to drain the life force out of people. She surprises the life out of him (literally) when she kisses him unconscious. Lilim then flies off for more "food," but returns later, saying that Takaya's life-energy was the "tastiest." From then, Lilim is accepted by Takaya's parents as a live-in girlfriend of sorts, and Takaya's heart seems to start wavering towards this voluptuous devil.

From: Easy Going Scans

Fantasy Action Legend that follows brother's diary!!
After his brother Loki's death, on Tyr's 17th birthday.... Loki's diary is delivered to Tyr. When following the diary step by step, Tyr realizes that everything that's happening around him is already recorded within the diary.

Rinne Ikaruga is just your average 16 year old girl, trying her best to get by. One day, she receives a package addressed from her sister, inside of which is a little girl who just happens to be part planarian and can multiply.
A planarian is a kind of non-parasitic flatworm organism.