4-koma manga

One day, an un-named ordinary high school girl (her name is left to your imagination), meets Cheko, a maid sent forth from a village of maids. Cheko the maid can melt, fly, remove her head and violate physics.

Surrounding the "ordinary high school girl" and her strange little maid are yuki-onna's who hate cold, a cute squid that can speak, moe yankees, tsundere maid assasins, ecchi lesbian teachers, trap yuki-otoko's, gentlemanly yakuza and many more.

From TJo:
TJO's 8th manga is Suzuki Noritaka's Shikotama, a comedy involving demons and more demons and uh, a little bit of snowboarding.

The sexy demon Mako has been sent from the demon world with an ultimatum mission from her father: bring him the "Supreme Soul," or else! However, getting the "supreme soul" proves to be a lot more problematic than Mako ever imagined as her friends fight back and a group of rival demons show up...

From Chibi Manga:

Uta thought that her homeroom teacher was a geek, but she saw him when he was dressed differently. Sensei was actually a handsome rock-n-roll singer!? Since Uta had always wanted to have a boyfriend, she threatened him to "go out with her" and she wouldn't tell anyone his secret! but she ends up really falling in love with her teacher..!?

Contains:

• Natsu wa Ginga no Ame ga Furu
Summer Holidays. She didn't want to visit her grandmother, who she is on bad terms with, so she spends O-bon festival alone like she wanted. (Only for watching the house though!) And the person who appears in front of Akari is...!?

The Hanzo Academy is not just a regular school. It holds a top secret class for ninja training reserved just for the elite. Only two girls made the cut this year, Ikaruga, a quiet but gifted brunette, and Katsuragi, a passionate and skilled blonde. Their personalities could not be more polar opposite and sparks fly even on the first day of class. Ikaruga, being a little bit ahead of the curve, outscores Katsuragi on every assignment. With tensions running high, how will these two ninja students work together when the time comes?

From Karma Falls Scanslations:

Shinigami Ai is bored with his job and to seek enjoyment he has an interest in high-school girl Ren who only has days left to live. She is the student council president at her school and really a good-hearted girl, but she is feared by the whole school because of her harsh way of speaking. Ai possesses her body and exposes her kind, true nature and so enjoys his "Sarashi Asobi (Exposing Game)". But gradually he is starting to feel an interest in being with Ren...

Includes the one-shot "Lunch".

From Tokyopop:

Having been assigned by the human elders the mission of stopping a mystical plague that has afflicted the Youkai with madness, Genjyo Sanzo assembles his team of Youkai warriors, desperately hoping that the disease will not affect them. He sets up qualifying tests that will help him determine the loyalty and worth of Cho Hakkai, Son Goku and Sha Gojyo. The team then journeys west to rid the land of madness.

From Aerandria Scans:
Chouko has always wanted her father to show her some affection instead of always being engrossed in his beloved books. But her wish didn’t come true even after her father died. Or did it? She suddenly receives a note from a certain shop saying that the dress cloth her father commissioned to be made for her is already finished. What cloth? Her father didn’t care for her, right? And is the shop really just an ordinary shop?

From Manga-Heaven: Jinna Amakura was a typical, if not a bit stingy, high school boy. Typical, that is, until he died. Or... at least he was supposed to die, but he didn't. Jinna is now considered by the powers that be as a "Soul Irregular". Enter Nagi. Nagi is a Grim Reaper on her first job - to kill Jinna and return his soul to the proper cycle of life and death. If she fails, she will be turned into her favorite dessert and eaten by the head of the Angels of Death. Not only does her job start off as worse as it possibly could, but Nagi and Jinna form an almost friendly, if not unusual relationship... just wait till her boss finds out...

From StarryHeaven:
Onda Miku was just a regular high school girl who loves nails. But suddenly, she got into a terrible accident, and the shinigami (death god) Sei fastened his chain of death onto her wrist! Sei may be hot, but he is a bit scary. Being tied together with him, just what kind of fate awaits Miku!?

As a boy, Taishi saved a tiny chick (as in an actual bird) that was being bullied by its brothers and sisters. And now it’s grown up into a hot girl who wants to cater to his every whim! Did we mention she lays eggs, too?

Oneshot description: Inside of every human lie dormant superpowers. When these powers are awakened, some people use them for evil. Others use their power to stop those who commit evil deeds. One cruel boy named Hiruko has taken over his high school by using his superpowers. The students live in fear of him, until the day a mysterious transfer student, with his arm wrapped in a giant cast, arrives to stop him.

Kaori is a reserved girl who just got rejected by the boy she likes. Dejected, she goes to the library only to discover a book that allows her to summon a wish-granting demon. He will make her life better, but if she gets three wishes granted, she'll lose something important to her...

Sakura is a child who appears simple, but has a crush on her friend's big brother. A tragedy suddenly occurs, drastically changing her life, but to a good turn! A magical item appears to give our heroine the chance of her lifetime by turning her into an adult. But alas, how long can her fantasy last and how will it proceed on from there...?

The end of the Holy War. The Pope, in an effort to suppress the remaining eye-witnesses who oppose his power, demands that a gag order be enforced regarding “the miracle” that brought the war to an end: the appearance of the five who bore the stigmata—the Holy Marks—the marks of God. 10 years later . . . The diabolic faction that opposed the Vatican’s power and brought about the Holy War has awakened again and has begun assassinating the once-admired heroes of the Holy War. The Vatican has refused to acknowledge the situation, treating each incident as nothing more than simple coincidence, but in the years that have passed since the Holy War ended, the Pope has been rumored to have created an occult organization called RADEM, whose orders are to fight demons though they seem to have another mission—a much more obscure mission . . . The Cardinal calls for an assembly of the region’s clergymen in the name of the Pope to discuss the situation, and to that end, an ambitious nun named Sister Rose is sent to the Teatela Province on a mission to locate Father Gabriel Iota—a priest suspected of possessing a very strong Holy Power . . .

Sana Tsukimori is a 10 year old horror star but she can't grab the attention of her older brother.

Itsuki Minamori has fallen asleep in class and dreams about a girl from his past. He is awakened by Haruna a girl who apparently has a crush on him, but her friend Chihaya Yuuki tells her to stay away from this boy. He explains that he's spent his life being followed by evil ghosts and during the exposition, another one shows up.

Taking place in 1930s Japan and China, Kasumi Kenshiro (the uncle of the lead from Hokuto no Ken) is forced to leave his teaching job and settle an old gang rivalry with the help of his martial arts. Along the way, he meets the son of one his triad buddies, an old flame, and a mysterious old man who teaches him new techniques which will assist him in his quest.

1) Noda, a boy who has 3 secrets: First, he's in love with his classmate Fukushima. Second, he can draw his spirit out from his body. And finally, sometimes he secretly watches Fukushima at home, when his spirit has left his body. But one day he drops in at Fukushima's at a very unfavorable moment.

2) A boy who is asked to take care of a huge white rabbit and how the animal makes him understand his own feelings.

3) Yuzuru Sakaguchi, a boy who leads a lonely but peaceful life, cut off by the rumor that people can see ghosts around him. One day a new teacher comes to his school and his life is thrown completely out of joint.

This is a collection of loosely interconnected stories where the main characters are all animals, especially the tiger who is the hero of the first book.

The last student living in a run-down dormitory decides to leave when the conditions get too harsh. The only thing stopping him is a zashiki warashi, who is afraid for her and her building's future once he leaves.