Zelda no Densetsu - Skyward Sword is an One-shot based off of the popular Nintendo Wii game of the same name. It's a prequel that tells the sealing of the main villain of the game and Link's Childhood.
From MangaHelpers: A terrible creature has been plaguing the community: a man with a fishbowl for a head. When he attacks someone, the goldfish leaps out of his bowl and drinks their blood. The victim is irreversibly transformed into a goldfish! This terrible crime has happened to high-schooler Kousuke's little sister. With no other option, he takes care of his goldfish-sister as best he can. One day, he comes across a strange girl named Ringo, who wears a school swimsuit, carries an umbrella, and keeps a gun hanging around her neck. Ringo is an apprentice blood diver, and the gun is her way of shooting herself into the wounds of the fishbowl man's victims. If she can get to them in time, she can prevent them from turning into goldfish. Ringo's mentor, Ichigo, says that she's heard of a way to turn people back from goldfish into humans. Kousuke is determined to help Ringo find a way to help his sister and the loved ones of his friends at school who have met the same fishy fate! [tethysdust]
From Selene Scans: The story centers on Arisu, who just started high school. Her first day of school, which also happened to fall on her 16th birthday, was rather catastrophic. Arisu was absolutely devastated, and when she came home, she overheard her parents arguing. She discovered her parents are actually a devil and an angel! Her mother, the angel, explained that she and her father, the devil, fell in love and got married. Arisu is actually half demon and half angel. She cannot control her powers because of this and needs to find her true love. According to her mother, she can track him down by following the red threads tying them together--but Arisu discovers her threads have been cut, and she must find him using the old fashioned way!
Collection of oneshots: 1) Mahou Tsukai no Namida Yoichi dies nearly every day... but every time he wake up just with a dream of his death. And why his beloved Shiraku-san appeared in these dreams? 2) Mahou Tsukai no Shippai Yoichi is now living with Shiraku-san, but his air-headed behavior is still causing problems. 3) Koi to Obake no Sodatekata Yorito's parents and their familiar Rurimaru died ten years ago, fighting against evil majinas; and his older brother was injured. Now it is Yorito's task to protect the village against the majinas together with his familiar Himaru. But he is still only 18 years old and Himaru is still weak. He wants desperately to grow strong and be able to protect his older brother. But it seems his older brother is keeping something from Yorito. 4) Muchi to Obake no Shitsuke Kata Continuation of the story about Yorito and family familiars. 5) Secret News Two talked-about newcomers to the General Affairs section are assigned to a sour-faced boss. While working day and night to protect goodwill within the company, they get their hands on some outrageous information! 6) Mahou Tsukai no Yoru
From Dark Horse: In a time of chaos and war, a godforsaken era, twin sons are born to an emperor. But legend states that the son of the emperor shall be born a demon! But twins? Who is the demon, and who shall reign as emperor? Chunchu is the story of a young man saved from death by his mother, banished by his people, hunted by his brother, and tortured by the demons within. Living and fighting with a low-born warrior tribe who can never trust him, Chunchu lives a life of blood and violence, every day a struggle to survive. But something mysterious lurks within his cold exterior, something that could be awakened by the touch of a woman. * Manhwa of the Year in Korea-2003.
This is a manga adaptation of the otome game Clover no Kuni no Alice that focuses on Alice and Gray.
From Tokyopop: Welcome to a world divided into 12 Mines - each of them its own land - dominated by a rigid social class structure in which the 'Habit' exists to rule and the 'Spar' exist to serve. Their future dim and seemingly set in stone, the Spar find hope in an unlikely hero: the androgynous child born of a dwarf and hunchback who is prophesied to overthrow the tyrannical rulers!
Keiichi Morisato is a good-natured, yet hapless and girlfriend-less college sophomore who is often imposed upon by his elder dorm-mates and brow-beaten into taking phone messages and doing other chores for them. One day, while alone in his dorm, he accidentally calls the Goddess Technical Help Line and a beautiful goddess named Belldandy materializes in his room. She tells him that her agency has received a system request from him, so she has been sent to grant him a single wish. Skeptical and thinking someone is playing a practical joke on him, he wishes that she stay with him forever. To his surprise, his wish is granted. Belldandy must stay with him, but as his dormitory is strictly male-only, they are both forced onto the street. They set off on his motorcycle to find alternative shelter, eventually seeking cover in an old Buddhist temple. In the morning, they are greeted by the temple's sole inhabitant, a young monk, who welcomes them and gives them permission to stay until they can find permanent lodging. He immediately puts them to work maintaining the temple grounds, but when he sees Belldandy use her powers to save Keiichi from injury, he begins to fear that she may be a demon or sorceress. He is eventually convinced of Belldandy's intrinsic goodness when he witnesses her solicitous care of the temple premises and her perfect meditation ritual. When he decides to go on a pilgrimage to India, the priest gives the couple permission to remain in the temple so long as they continue to maintain it.
From [RC-SCANS]: Shin-Young abruptly wakes up from a nightmare just to find a man, named Ji-Hoo, sleeping in the same bed. If that wasn't bizzare enough, the two of them find out that they were engaged ever since birth. Was it a mere coincidence or was it a work of fate that has not yet finished...?
Arimasa was a half-demon priest who cared nothing of what others thought of him. That was, until one fateful night, while on a mission to exorcise a gang of demons, he encounters Kagetsu, a clumsy cat demon who will eventually change his world, and more importantly, his views of it.
A Boku no Hero Academia dj with the pairing Bakugou Katsuki/Todoroki Shouto. A fairy tale type setting that UA!Todoroki has somehow found himself in.
Hitomi Miku goes to live in a mysterious house where she meets Rauto, the young and sexy master of the house. There she discovers that the house is full of monsters! Rauto gives her a special necklace and she suddenly transforms and knocks out an evil monster who possesses a girl! What's going on? Becoming Rauto's maid and fiancé? "I'll knock out everyone's heart."