After the assassination of the powerful Godfather, Don Pazolini, the world has been thrown into chaos. Many mafia try to fill the power vacuum, but there is a rumor that Don Pazolini's son is hidden away somewhere. That son is Nero, an orphan who is raised in a bar with showgirls as his friends. He dreams of one day finding his parents, but he doesn't know who they are. One day, he encounters a haunted baseball bat, who names himself "Pucchi" and refers to himself as the Pazolini family 'fantasma.' Pucchi insists that Nero come with him to become the new Godfather and rebuild the Pazolini mafia family. Nero is reluctant, but quickly realizes he has no choice, since there is a price on his head and his identity is no longer much of a secret.

Kagefumi Merry takes place before the events of Yumekui Merry, and follows the adventures of a slightly different Merry than we are familiar with.

On the planet Paradyze, a war between the surface and underworld has been going on for centuries. A young cyborg fox named Maze fights for the resistance against the underworld, but has lost hope for an end to the war...until an alien named Grumble crash lands on his planet, and brings with him the technology to change everything...

Plot revolves around high school freshman Shingo Susa as he is invited by his crush from middle school Sayuri Shiroyuki to the school's supernatural club. Over the course of the series Susa begins to gain supernatural powers, something that prodigy Rei Uryu, attempts to awaken to bring out the psychic giant, Susano Oh to destroy humanity and establish a new world order.

Won the 4th Kodansha Manga Award for Shounen in 1980.

From Aerandria Scans:

Noriko is caught up in an accident while she is going to her track and field competition. When she opens her eyes, there is the young doctor Shinoda who seems very concerned about her. She is attracted to his child-like smile, but from his lips, she learns a shocking truth - in the accident, Noriko has lost her physical body and what remains is only a brain, stuck in a little black box?!

Note: The side stories in volume 1, 2 & 3 are written in novel format.

Accompanied by a talking lantern, Mika pursues her sister on a quest to retrieve that which was stolen from her long ago.

Struggling manga author Satoru Fujinuma is beset by his fear to express himself. However, he has a supernatural talent of "noticing things" that forces him to help people.

Boku dake ga Inai Machi Gaiden

A story about a boy who is able to talk to the Gods.

Meedan Kang is the last living descendant of a powerful witch that placed a curse on the Montrose family many years ago. She's desperate to live a normal life but suddenly two handsome men, with ties to the curse, enter her life with different plans for her. Their presence forces Meedan to confront her family's past and the abilities within herself that she has resisted for so long. As the three of them try to face the curse that binds them all together, a love triangle begins to complicate all of their plans.

Beautiful women are being targeted and horrifically killed by an unknown assailant. Cries for justice keep pouring into the police department, but the team assigned to the case is not even close to catching the evasive killer.

Just as they're at their wits' end, a reclusive young man with a mysterious ability arrives and offers the investigators his assistance...

From MangaHelpers:
Yasaka Tokiwa lives in an unusual time, and according to his dreams, it's about to become even stranger. He's been having a dream of a woman called Ri'in ever since the robot, who he calls Makina, came to his home. He and Makina attend the same school, where their other classmates include a secret ninja (Kusanagi Kanata) and a sorcerer (Yata Haruka).
When Tokiwa, the robot, the ninja, and the sorcerer rush to rescue the student council president from a demon, the boys find that they've all been having the same dream! What is going to happen to their world?

Humanity's peaceful days all at once transform into an unspeakably odious hell.
The sudden invasion of wasp-like insects, along with gargantuan "dolls" wielding their enormous alien weapons, annihilating everyone in their path.
In the middle of the chaos, high school first-year, Iruma Ikaruga, fights to save his best friend and his beloved senpai from the dolls' assault with an unyielding spirit.
However, all that awaits him is despair.
Just what are the enormous puppets known as "Dolly"after?
What fate awaits Iruma?
The curtain has risen on humanity's "puppet show" of unimaginable despair, and the battle for survival has begun.

Fuyune hates Christmas because it only brings loneliness. But will this Christmas be different?

Mizuki gets confessed to by a boy in front of a special Mirror. Legend has it, that if you confess to someone you like in front of that mirror your wish comes true.
There is a slight Problem in this Equation: Mizuki is just a very feminine looking boy.
Also it seems that he caught the Attention of the Norse Trickster God Loki while glancing into the Mirror. Loki decides out of boredom to mess with Mizuki and turns him into a real Girl.

A story about a long-necked girl's love life:
Kanoi Natsuki and her childhood friend Itsuki visit the same school and there seems to be more between them besides friendship. As a Rokurokubi, her quirk of stretching her neck is normal for her and her surroundings, but it's not always her choice to stretch it and although she has feelings for Itsuki, she can't tell him what she feels. Ultimately, she has to go through misunderstandings and shame.
Itsuki, meanwhile, manages to make any awkward situations dissolve or maybe not?

Even if people are born with super powers, they must serve as sidekicks of superheroes in order to become superheroes themselves. Lamia a.k.a Dream Girl has the power to make people fall asleep. She is the sidekick of Darkslug, who is not a great hero compared to his reputation. One day, Dream Girl and Theo work together to get rid of villains and save the world.

Once upon a time there was a loser, but that one day he got the ability. Ask what? Well ... it's hard to explain, he knows how to instruct on "the right path" girls who strayed from it.

"Three years ago, he had the same posture.
Three years ago, he had stood behind Miyuki.
Yes.... Compared to three years ago, it had changed."

Set three years prior to the present time, Tsuioku Hen tells the events that would change Miyuki's world drastically, as well as the events that led Tatsuya to become what he is now.

(Adaption of Light Novel v08)

A girl who can see the future. Another girl who knows if what you're telling is true or not.

A year has passed since the Demans took over the island. The humans await a savior. A tale of a crimson knight that appears before them.