The story is of Kitano Seiichirou, a very kind and pure-hearted young man, with a horrifying, monstrous face. People being what they are, they think he's a terrifying delinquent, and there are plenty of chance misunderstandings (coupled with Kitano's convenient inability to understand what's happening around him) that propel him into the position of "school guardian", a.k.a. head thug on campus.

Jin (female) and Konoe (male) are twins and are just starting their high school career. Jin has always been a trouble to her brother, since she’s very tough and violent, and generally doesn’t behave like a girl at all. Konoe is determined that their high school life is going to be different, and he’s going to make sure she keeps acting cute and feminine. But it isn’t easy for Jin to pretend to be something she’s not…

Luchiru is a Majin who lives beneath the surface of the earth. He was sent to the surface as a spy to gather information in order to defeat the humans who are living there. But the problem is that Majins have a different understanding about humans; they strongly believe that the Human Race is far superior to them in every sort of way, but in fact it is the other way around.

How can Luchiru survive in the Human World where he has different point of views on the strength of humans, which he strongly believes that with just a touch would make him combust and be disintegrated in an instant?!

Three travelers visit a post town, a girl and a boy who seem like twins, and one man. Their goal is to seek great power, the Amanusya. In that town, they discover an evil conspiracy involving an Amanusya...

Wagashino Azuki, training secretly deep in the mountains. She's too clumsy and air-headed to be a ninja, but somehow Azuki ends up as the bodyguard of the heir to a financial empire! 3 mysterious girls also appear. How is this mission going to turn out!?

Ninja Action Manga & High School Love Comedy, all in one!

From Watase's Sorai:

This story is about "Yusura" who was left under a cherry tree 15 years ago. She grew up as a daughter of a pharmacist and works as a "Hikeshiya", who can erase sadness from people by using the Kongoumaru, which turns blue as it absorbs people's sorrows, then sends it back to the person guilty of causing the sorrow

From Esthetique:
As Yusura grew older, she acquired a reputation as the "Hikeshiya". Using her Kongoumaru, Yusura would eliminate sorrow from those who were suffering. Literally. One day, a nearsighted young man was being chased by several villainous looking fellows, so Yusura helped him. She took him back to her home,where she learned his name was Samon. Samon was the Daimyou of Sagami. Samon and Yusura have many interesting experiences in Edo Japan. The two run across many unique characters and with their aid have even more unique and exciting adventures.

Gi-Hyun encounters a talking chick one day. The talking chick, whose name is Bok, claims that Gi-Hyun is his master in their previous lives.

Bok (The talking chick) has been reborn as a chicken in order to fullfil his duty which he failed in his previous life. His duty is to protect Gi-Hyun from the assassin who killed him in his previous life.

And so, their ordeals begin.

Bekku Nanaki is mirror clairvoyant. She moved to Tokyo from the countryside to escape calamities she sees. There, she witnesses an accident on the road caused by a mobile fish vendor, who saves her from being crushed by a billboard that falls from above.

The next day, he turns out to be Banjou Kizaki, her classmate and a student held back due to his involvement in incidents and accidents that others attribute to his being unlucky. His eccentric behavior, however, catches her attention, which he explains as changing the future...

Yoichi Karasuma has spent all of his life in the mountains, training in the Soaring Wind, Divine Wind swordsmanship style. Under his father's guidance, he is able to master the technique at the age of 17. With nothing left to learn, Yoichi is sent to a new dojo located in the city so he can continue to train and gain an understanding of modern society.

Unfortunately, Yoichi has no idea how to act or speak to anyone in the present day and acts like a samurai, complete with odd speech and traditional clothing. As he goes to live with the Ikaruga sisters Ayame, Kagome, and Chihaya, at the dojo, Yoichi, clueless on how to interact with others, is constantly hurtled in hilarious misunderstandings.

From vyc at MangaHelpers:

In the Ben-to series:

V.1 - Ben-to Zero: Road to Witch
Bargain hunters seek the best deals and compete against each other to obtain the product on sale. Yarizui Sen, who just moved into town and started living on her own, is introduced into the cutthroat world of bento bargain sales.

Near closing time, supermarkets put unsold bentos, prepackaged meals, on sale and hungry competitors who call themselves wolves fight against each other to see who gets the right to purchase the delicious and cheap meal. Sen learns under the most feared competitor of the town and trains to use her hunger as a source of obtaining the half off bentos.

V.2 - Ben-to Another: Ripper's Night

V.3 - Ben-to: À la carte

When bubbly eleventh-grader Eimi Yamashita finds out that her parents are relocating for work, she decides to strike out on her own and move into a dormitory for girls. Little does Eimi suspect the exciting romantic adventures that await her there! Eimi's fellow residents are a little bit crazy but a whole lot of fun. They've got a secret mission planned for Eimi's new resident initiation...and it has something to do with sneaking into the boys' dormitory across the street and returning with a special keepsake! Can Eimi pull it off without getting caught by one of the handsomest (and cruelest) boys in the dorm?

While investigating a murder case, Detective Hishinuma Kazuha is reunited with mobster, Hyoudou Itsuki. During their junior high school days, their relationship was like oil and water; Kazuha minded his own business and Hyoudou was emotionally attached.

Hyoudou is at a bargaining point as he approaches Kazuha: he'll divulge important information about the case in exchange for Kazuha's body. Kazuha refuses such an unfathomable request, but Hyoudou, the unrestrained beast, takes control...

These two interwoven men and their superb, wild, beast-like love!

From: Easy Going Scans

For a few years, the city of Kyoto has been the theater of a secret war opposing extreme Japanese teenagers lauding the exclusion of the gaijin (foreign people) outside of Japan, and others who defend their integration. In order to avoid an escalation of violence between rival gangs, both sides have agreed to sort out the gaijins’ fate for good in an underground tournament where the best fighters from each side will have to fight against each other. The "Black Boat Project," abbreviated as the "B.B. Project," directly links to commandant Perry’s “Black Boats”: the symbol of the arrival of the gaijin on Japanese soil…

Franck Leclerc is a young Parisian who loves to fight. He arrives in Kyoto, supposedly to study… but mostly to charm Japanese girls and spend his money in video-game rooms, his vision of the “Japanese dream.” However, his real nature comes back very fast when Franck finds himself stuck in a fight opposing hooligans against the mysterious Megumi. Without knowing it, our hero is going to become a part of the B.B. Project…

From Iskultrip Scans and Manga Abyss:

Maria Rose, a boy always mistaken as a girl, is burdened with debt after a strange event, and his sword, "Fake Consuming Inferno" is confiscated. At that time, Katari, a member of his clan, got a hold of some profitable information, but to obtain it, they have to go to an "Underground Raid", but things aren't as easy as it seems...

This is the story of love, friendship, and adventure of the beautiful "Cracker", Maria Rose.

On the world that consists of a single giant continent called Dokkanon, most people have some kind of special ability. Those who have a high-ranking ability, such as the ability to control water, are respected and granted much power. Those with low-ranking abilities, such as Nana, who controls bananas, and her best friend Ringo, who has super-powerful legs, have very little power in society. When Nana and Ringo were kids, they were awed by stories from Ringo's adventurer father about a land called Oz, where a god lived who could make any wish come true. Nana and Ringo swore that they would go adventuring together when they were adults. But as time went by, Ringo's father vanished while adventuring, and Ringo became much more aware of the social stigma associated with adventurers. Will the two of them find the strength and courage to follow through with their promise?

Akari is drawn into the exciting world of kabuki theatre, She then spends her time after school assisting the famous actor, Shonosuke Ichimura. In the real world, however, this prince of kabuki is actually a high school cutie named Ryusei. The pair's relationship gets off on the wrong foot but eventually, with the help of a cat known as Mr. Ken, might start to fall in love.

Collection of Blame-related short stories: • Zeb-Noid A bloody war that spans millenniums. Two soldiers set out to kill each other. An encounter that could change their two species’ fate forever. • Blame Academy! • Blame Academy! - Tokyo and Nara Under One Umbrella • Blame Academy! - Under the Tower of Blooming Sakura • Parcel • Blame! NSE (NSE: Netsphere Engineer) The much-awaited sequel to BLAME! follows a man, called a Dismantler, who is in charge of sub-dividing the nexus towers that incurr Safeguard interference upon its detection of humans without the net terminal genes. Although humans are once again able to reside in the Net sphere, the Safeguard are still a threat. The Dismantler or NSE, or Net sphere engineer, goes on a journey to aid mankind in their survival. • Pump • Blame!² The protagonist is a descendant of Pcell. This story happens a long time after the events of Blame!. This young silicon creature knows well the havoc that Killy brought and decides to move towards the end of the megastructure, to look for him. • Numa no Kami • Winged Armor Suzumega While it’s not explicitly mentioned in the story, it’s believed that Suzumega is at least somewhat related to Abara since it features the Gaunas. - Kotonoha

Train Heartnet, also known as "Black Cat," was an infamous assassin for a secret organization called Chronos...until he abandoned that cold-blooded existence to live on his own terms as an easygoing bounty hunter. But is Train's past as far behind him as he thinks?

Sakura Ichiko is a 16-year-old girl who leads a charmed life and is blessed with beauty, brains, wealth, and health. She has an abundance of "happiness energy", which can make people happy, but at the cost of absorbing all the "happiness energy" from her surroundings.

She has caused the energy balance of the world to become unbalanced and because of this, she becomes the target of a poverty god named Momiji. Momiji's goal is to remove Ichiko’s power of absorbing other people’s happiness energy and to return all the energy she has taken to its rightful place. But Ichiko won't take this lying down!

From Inane scanlation notes:

Dramatic Irony has 4 different short stories. The first short story is Dramatic Irony, the second is Yugamism, the third is Milk Junkies, and the last is the Houshin Engi special.

This is volume 2 of FUJISAKI Ryu's Short Stories.

Volume 1: Worlds
Volume 2: Dramatic Irony