From Demonic Scanlations:

Due to all of the anger and emotions of humans, the world has been inhabited by ghosts that feed off humans. Unfortunately, these ghosts can’t be seen by ordinary humans. A high schooler has the ability to see these ghosts…

From Perpetual Dreams:

7th grader Oshiro Shinobu, the daughter of one of Japan's old family lines, was separated from her parents due to certain circumstances when she was only six. Because of this she now lives with one of her distant relatives, Kouda Shougo, who is a teacher at the school she now goes to. Apparently, a childhood friend by the name of Oku Saizou is transferring into Shinobu's class, but wait... This timid and hesitant boy is actually a ninja who serves Shinobu and he has transferred for the sole purpose to protect her...?!

A Japanese goddess of old takes a keen interest in Anamori Izumi and her ability, a more powerful form of synesthesia. The goddess has a request for her, one which will require her to break out of her shell... and learn how to play the electric guitar.

Tagamori Shinta is a student who routinely confesses with complete sincerity to any girls that he likes, failing every time with good reason. One day, after another failed attempt, he stumbles upon a strange shrine and ends up making the most important wish of his entire life. A romantic comedy packed with action on a celestial scale.

When he was young, Kurosu Keisuke was in a special TV program showcasing children with supernatural powers, called "Esper Shounen". Seven years after the termination of the program, a murderer appears to be targeting the Esper kids, whom he/she considers to be monsters. Will Keisuke and his old friends be able to discover the murderer and avoid becoming the next victims?!

Hearing news of demons plaguing the Hakkyokuseiken dojo, Andy leaves his friends to investigate it. To his shock, the rumors are true and the demons' overlord is the formerly deceased Geese. Using his troop of seven demon lords, he imprisons the younger brother and hopes to make him one of minions. Worried about his brother's absence, Terry teams up with Joe, Mai, and Big Bear to battle the undead forces and rescue Andy.

A manga containing anthology chapters, illustrations, settings introductions and interviews about Fate/Prototype.

Seven years ago, Yura found Nao washed up from the sea. No one knows who he is or where he came from. Her parents took him in, and he's been living as her "little brother" for seven years, but now that is going to change...?

The characters of Durarara!! have been made small and are going on a rampage in Ikebukuro! Lots of things are happening today on these streets where reality and illusion mix together!

From Easy Going Scans:

Minato Kujou is a cynical and sharp tongued young man who has no spiritual abilities at all. He is looked down upon by others in the spiritual profession and referred to as the 'Zero Ability Individual'. Despite his reputation, he has a surprising way of defeating the monsters known as 'spectres'.

Cross Academy is attended by two groups of students: the Day Class and the Night Class. At twilight, when the students of the Day Class return to their dorm, they cross paths with the Night Class on their way to school. Yuki Cross and Zero Kiryu are the Guardians of the school, protecting the Day Class from the Academy's dark secret: the Night Class is full of vampires!

From MangaHelpers:

In response to a decrease in population, human corpses have become a major resource for society's labor pool. Necromancers are needed to animate corpses for various jobs. These corpses work reliably unless they encounter human love, at which point they go berserk and attack. Zen is the necromancer of his city, and he spends his time animating corpses and dealing with the messy aftermath of those cases of 'necrophilia.'

Zen has a strange assistant, who keeps his face covered and never speaks in public. This assistant is Yomai, a ghoul that Zen took under his wing. Zen allows Yomai to feed from his own flesh, but he has strictly forbidden the ghoul from revealing himself to, speaking to, or eating other humans. Yomai doesn't want to anger his benefactor, but he is not completely satisfied living under all of Zen's restrictions. There's plenty of violence, death, and surprises ahead for the necromancer and his ghoul! [tethysdust]

Naegi Komaru, Naegi Makoto's younger sister, managed to survive despite being outside Hope's Peak Academy. There she meets Fukawa Touko, a.k.a. Genocider Shou. This is the story of their struggle to survive in a world full of despair.

As a continuation of Rozen Maiden, the story starts with an older Jun, who is now a university student. While working at a bookstore as his part time job, he finds an unaddressed copy of the first issue of a weekly magazine "How to Make a Girl" containing a spring. He brings it home, and soon starts receiving further issues of the magazine by post, each issue having one part of a doll's body as a gift. One day, after putting much effort into assembling the fifth Rozen Maiden doll Shinku, he receives a notification that the publication has been cancelled, leaving him with an incomplete doll. Suddenly, he receives a mysterious text message from his old number, claiming to be the Jun Sakurada asking for help against the seventh Rozen Maiden doll Kirakisho...

Note: The official title of this Shueisha edition in Japanese is ローゼンメイデン in katakana, in order to set it apart from the title of the "original" Gentosha edition, which was "Rozen Maiden" in Latin letters while katakana only served as a pronunciation aid (furigana).

From Elision-Scans:

One day, Unohana unexpectedly meets two brothers — and they both happen to be demons. Nobody can see them except for Unohana, a schoolgirl who can see what nobody else can see. But when she is attacked by the spirit of a black dog, even more strange forces are awoken.

Travelling salespeople visit a small, remote town. However, neither the town, it's inhabitants, nor the salespeople are what anybody would consider "normal".
A supernatural crackpot comedy.

1-2+extra) Narushima, an elite detective of the Metropolitan Police Department who is guarding an important person at football stadium happens to meet his old friend, Fujisaki. When they were promising football players in same team, Fujisaki always dominated Narushima and deprived all of Narushima including of his pride and girlfriend. But Narushima realizes that Fujisaki becomes a sniper. He failed to catch Fujisaki and Fujisaki also failed to kill the VIP. They meet again and make love together...

3) An ex-member of swimming club encourages a retired member by fatal injury to tell the ace swimmer his feeling. Ace swimmer accepts it because he loves injured butterflies...

4) A teacher tries to find out the reason why his student acts rebelliously only against him...

From a school story of a kouhai being fooled by his ill-mannered senpai, to vampires and time travel, the vast, heart-clinching world of Kashio is jam-packed into this book!

1. Chronic

2-3. Haru e no Tobira

4. Sawaranaide, Kowareteimasu.
After acting up in Soccer Club, Saitani is forced to resign and his teacher suggests he join the Astronomy Club. There, it’s just him and the supposedly sleazy upperclassman, Tajima. Although Tajima is very unmotivated and likes to order his kouhai around, Saitanai feels drawn to his innocence. But someone who knows Tajima tells Saitani that he loves men.

From Aerandria Scans:

Venice, the latter half of the 16th century. Young Legare works as an apprentice to his father, an apothecary, but his real passion is the forbidden art of Alchemy. One day, a fortune teller predicts that he will meet four people with the power to change destiny and shortly after, his father is incarcerated on suspicion of alchemy. Legare, the real alchemist, is forced to produce gold for the person who arrested his father. Follow him through the mysteries of Venice, through his struggles, his encounters with powerful friends and enemies, and his search for the Philosopher's Stone.

A kappa pines for a rokurokubi across a fence.

From Garo 1982-07.