From Shoujo Crusade: Because of a strong trauma in the past, Nanno is a coward when it comes to love. When she was a 6th year in elementary school, the boy she loved threw away her love letter. As a result, Nanno thinks she can't love anymore. But she finds she is interested in the boy who joined the same committee as her... However, what will she do when she finds out he is Tsuzuki, the one who caused her trauma!? 

Based on homonymous video game 

A little complicated family love story about Yuu, her brother Hiro, and their half-sister Tomo. 

The year is 2718 by the Imperial Calendar, and Japan has crumbled in a huge battle. Hurting each other, warping their morals, unable to see a future, the people strive hard to survive each day. But now, the wicked shadows that target them have crept up upon them. this is the story of EXAMURAI, that of the XILE Tribe, who will fight to the death to protect their love, dreams and happiness. 

Baku
Takeshi Uesugi finds out that he is the reincarnation of the "Baku," a spirit that devours people's nightmares.

Mephisto
A young man "helps" ghosts, demons, and other supernatural spirits while struggling to care for his own little family.

Peanut (P-ko) and Kyuuri (Q-ko) are aliens who have just arrived on planet Earth from planet "Fuiren." Their mission? Find their missing queen! However, this is not easy considering how they have some evil menace pursuing them and the fact that they turn into cockroaches and can't turn back without kissing a human male! They also have a lot to learn about the new planet they're on, so it's a bit difficult when they have to fight evil... There are only four chapters that were ever published in this series, as Naoko dropped this project due to Kodansha losing her original manuscript. 

Douden Moee doesn't care much about things. Whether she gets a winning popsicle stick, or a million yen fell right in front of her, or it's just ten seconds before the world ends, for sure her expression would not change, and would always go about with her own pace with composure. And surrounding Moee-chan, unbelievable things have been mysteriously happening!?

The beautiful Seto is told she has 6 months to live, at the school she attends she meets a tomboyish girl who wants to leave her boyish past behind a and debut as a shojo heroinesque high schooler. ~need more chapters for better description of manga. It's like koukou debut except the dude is a dying pretty girl 

It is said that 70% of human brain capacity is unused. If human posses incredible power, it is strongly believed to be lying dormant within this region. This unused 70% brain capacity is known as "Night Head". The Kirihara brothers were abandoned by their parents because of their psychic powers. Since then they have lived in a laboratory within a barrier-protected forest. One day the barrier breaks and they manage to escape from the laboratory. 

The main character wants to be a hero, but his father is a bum that loses all of their money in gambling, but he was once the ace of the japanese team in handball. He goes to a coach and asks him to take care of his son, because he got into a debt and is running from the yakuza. The coach thinks he's an outstanding talent that has been given to him to coach, and he sends his daughter to pick him. Daigo (the main character) then ends up living with them. The series was based off the oneshot that Weekly Shonen Jump liked so much that they made it into a series 

Long ago, the cherubim Lucifer turned his back to God and waged war with His angels... ...but in the end, he was slain and his army scattered to the winds. Six thousand years later, Lucifer has been reincarnated in the body of a young child... and it's only a matter of time before those memories of the past war awaken and the world is once again thrown into chaos. Anticipating this, a single angel volunteered to be sent down to prevent the resurrection before Lucifer's minions find their leader... ...thing is, Lucifer reincarnated as a sweet, ditzy little girl, who wouldn't hurt a fly. 

Because of a frightening experience three years ago, the boy Sata Senda became a compulsive cleanliness freak. As he has anti-bacterial spray and mask as standard equipment and doesn’t allow any form of close contact, he has no friends… Thus came the summer of sixth grade. Sata, who has been half forced to participate in the school trip, arrives to the meeting place completely wrapped in a protective suit?!