From Lovers Dream:

"If you become my wife, I'll grant any wish..." Maybe it wouldn't sound half as crazy if Saeju wasn't told this by a cat (who may or may not be some kind of prince.) But she's desperate for some payback, particularly when her longtime crush blows her off, ice-cold style. But what happens when you invite someone downright... unearthly... into your life? Saeju's about to find out- particularly when one strange cat becomes one strange "brother" she didn't ask for!

Skyla is a young witch in a world where witches no longer exist. On her way to meet her husband she is picked up by an easily bored old woman and her servant, and a mysterious alchemist. What adventures will Skyla face on her way to Wells?

Sasshi's world is in disarray. His best gal pal, Arumi, is about to move away, and his Osaka neighborhood is being demolished in the name of urban renewal.
However, this little neighborhood has some surprises under its concrete -- it's actually a portal to parallel universes. And when this section of the city is leveled, the portal is cracked wide open. Sasshi and Arumi soon find themselves being hurtled from one strange world to the next! Making matters even more surreal, is the fact that these worlds seem to spoof and mock popular movies, video games, manga and anime.

Alice Asahina is a high school student interested in the Tarot, reading the future and fortune, and so on. One day there is a rain of meteors and a strange rabbit falls while she was watching the rain. The rabbit tells that the shooting stars are the precious jewels of his queen and can enter into the hearts of people, causing strange effects on its victims. Alice will be devoted to achieving these stars in the form of Alice in Wonderland.

1. The Circle
All social connections fall into circles, some circles intersect, and some people can never connect. Captain Tachikawa wants to be closer to talented amateur Furuda, but it's surprisingly difficult.

2. The Box
After seeing the friend he's loved for ten years be swept up in an out-of-the-blue romance, Andou's more than a little heartbroken. Then in steps the freakishly tall Higa, a first year at the university, to pick up the pieces... if only Andou actually wanted him too.

3. Blood Hope
A man(Hisae Kai) living with his daughter and grandchild finds a mysterious book and releases a demon(Hakuou). That demon offers to grant him one wish, but for a price...

4. Blood Trap
The story of Blood Hope continues with Hisae Kai, his daughter, his granddaughter, and Hakuou - a demon - living peacefully together. This peace is interrupted by a heavenly messenger sent to seal Hakuou, and Hisae must move to protect the ones he loves from this meddlesome spirit.

5. Blood Chip
Hisae Kai, his family, and the demon, Hakuou, still live together blissfully. One morning, Hisae gets fed up with Hakuou's overflowing pottery works that are blocking Hisae's workspace and demands that he removes them. During the cleanup, Hisae is attacked by a strange creature and Hakuou must protect him.

6. Akuma to Issho
A short one shot, more like a small extra, to the Blood- Hope, Trap, and Chip series of one-shots.

7. The Circle Extras

A series of three manga tankoubon released between 1983 and 1997 that collect several one-shots written and illustrated by Akira Toriyama. The stories were originally published in various Shueisha magazines between 1978 and 1994.

Based on the Chinese novel Shui Hu Zhuan, this series is about the trials and tribulations of a band of outlaws during the mid Song dynasty.

It is 1112, China is in turmoil with the present Song dynasty's government and its inability to control its own provincial officials from preying on their people. However, tales of a band of outlaws punishing these abusive officers called "Taiten Gyoudou" is spreading. Their deeds are giving people hope. It begins with an encounter between Suiren, a young village girl believing in the bandits, and "Falling Star" Tai Sou, a traveling swordsman whose skill precedes him.

* Suikoden (水滸伝) is a Japanese translation for Shui Hu Zhuan.

Yukito Kunisaki is a man traveling Japan in search of the "girl in the sky". Eventually he makes his way to a sleepy seaside town, where he meets a strange girl named Misuzu Kamio who has dreams of flying in the sky. During his stay in the town, Yukito meets other unique people and begins to learn more about Misuzu and the town she lives in.

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...

Taken From MegKF:

This one volume manga is about a young man named Aragami Akira, a.k.a Alladin. One day he finds a teapot hidden behind a bush. He decides to clean it up and show it to his a friend's grandmother. Much to his surprise when he rubs it, out comes a magic genie.

"Alice Turn Back Clock" is Inoue Shinkai's take on Alice in Wonderland, complete with a bunny-eared schoolgirl and aliens from outer space.

This story is about Hinata, a high school graduate who alone without his over protective sisters went on a trip to visit the desert. There he encountered Seshir, who looks a lot like him, except he's American and that is when the story really begins...

Oneshot about a Tea Fairy with the mission of giving a better taste to the tea.

Fuuko is a normal high school student who went after a boy whom she thought had something "special" about him. Turns out that the guy had a "super" power that lets him control how gravity affects him. However...it seems that it can also affect other people!
Last volume includes a sidestory called H²Love.

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.

Four cute school romance stories, all having some sort of time theme. In the first story, a girl discovers she can freeze time. In story 2, a girl discovers she can communicate with a boy living 6 years in the past through notes written on her desk. In Story 3, a girl finds herself living the same day over and over again (like the movie Groundhog Day) and finally, a girl who has a crush on a boy 3 years her junior discovers what the world would be like if he were the one who was 3 years older instead.

The angel Alexiel loved God, but she rebelled against Heaven when she saw how disgracefully the other angels were behaving. She was finally captured, and as punishment sent to Earth to live an endless series of tragic lives. She now inhabits the body of Setsuna Mudo, a troubled teen in love with his sister Sara. Setsuna's misery mirrors the chaos among the angels, and their combined passions threaten to destroy both Heaven and Earth.

From ShoujoMagic:
Merumo has come to the human world from the Magic Village, and is an extremely pure hearted witch by nature. Her mission is to find a "Bii Men" ("Bee-autiful Face") gentleman... and make a baby with him?! Flying through the air on spinning wings, Merumo searches a school in the center of Megalopolis and causes an uproar. Amongst the gathered crowd, however, are four Bii Men! And so begins Merumo's life as a student...!!

From Nevermore Scans: Ayahatori-that is the given name of the family possessing a mysterious power. They have the power to be able to summon and use beings and people from secret ancient writings. During the Ayahatori initiation ceremony, high schooler Kozakura Saaya summons one of the three most beautiful women in the world, Ono no Komachi. However, what appears in front of her is a man with matchless beauty-!?

From Viz:

When awkward schoolgirl Haru rescues a cat on her way home from school one day, the last thing she expects in return is to be honored by a feline royal family! Before she knows what's happening to her, Haru is drawn into a world inhabited entirely by talking cats--and recruited to be the next Cat Princess! Only the dapper cat Baron and his friends, a magical crow and a comical fat cat, along with a friend from Haru's past, can help her return home.