Meet Kazahaya and Rikuo. By day, they are two ordinary pharmacists at the Green Drug pharmacy; by night, their boss has them filling 'special prescriptions' for clients with ailments that can't be cured using ordinary elixirs.

About a little boy who fears the world around him and finds safety only when he is completely hidden under the covers of his futon. To him, a futon is a kekkai (spirit barrier) which can protect him from evil.

From Be With You Scans:

Chie is a young girl with wonderful parents to look up to; her archaeologist father lives with her in Hokkaido, and her mother is a great scientist working in America. During a local cave excavation, Chie and her father discover Tyrannosaurus eggs, and they're about to hatch! This little girl becomes their mother, and does what she can to protect them from those who want to experiment on the little baby rex.

Hinata Asahi is a high school student who lives alone with only her teddy bears to keep her company. Her life becomes much more exciting when the handsome Shirou Asou, moves in next door -- not only is he really cute (even if much older), but he's also her new teacher! Hina has a bit of a crush on Asou-sensei, but when the older man seems to take an interest in her as well, is it a forbidden love or something else? (Source: Tokyopop)

From Tokyopop:
Chun Hyang is the feisty young daughter of the village shaman and a master of the martial arts. When a tyrannical warlord threatens harmony in her village and abducts one of her friends, Chun Hyang vows revenge and sets off on an adventure that would become a legend.

From Tokyopop:
An introspective, character-driven series, Tokyo Babylon reads like a manga version of The X-Files. Its story -- a modern-day fantasy -- follows a young onmyouji (spiritual medium) on his quest to protect Tokyo from evil spirits.
Teenaged Subaru Sumeragi is the 13th head of the Sumeragi clan. Together with his twin sister Hokuto and the mysterious veterinarian Seishirou, Subaru travels around Tokyo, calming the ghosts that threaten the city.

From Viz:
Kamui Shiro is a young man who was born with the power to decide the fate of the Earth itself--a destiny he can barely bring himself to believe. But as other players in the prophecy begin to gather around him--the "Seven Seals," with the power to protect the Earth, and the "Seven Harbingers," who are fated to destroy it--he has no choice but to come to terms with his fate.

Note: Re-released under the title X/1999.

From Be With You Scans: A collection of bittersweet tales of all the different shapes an unrequited love can come in. Why is it so difficult to confess your love? Why is it that another person can affect someone else so strongly? When a powerful man is fickle, he is allowed to be. But if a woman is unfaithful, she is called a tramp. Koi tells the realistic stories of six different women of different ages, and completely different outlooks on life.

A magical cooking lesson about making horan (soft-like pancake made without baking).

From Tokyopop:

Legends say that when it snows, it is because the snow princess is crying. A collection of five tragic tales, all connected by the bond of snow. Shirahime-syo is CLAMP's tribute to traditional Japanese form and storytelling.

While walking home from work one day, a doctor named Shuichiro notices an angel, Kohaku, stuck on a tree while being attacked by a crow. He rescues Kohaku and, in return, Kohaku offers to grant him a wish. However, Shuichiro is satisfied with his life - he has a decent home, good looks, and a well-paying job as a doctor - so he does not request anything. As Kohaku is honour-bound to grant the wish, she chooses to stay with him in his home, and helps with chores.

From Tokyopop:

300 years ago, a powerful warlord rebelled against the Heavenly Emperor. After killing the Emperor, the warlord crowned himself as the new Emperor, starting a cruel reign. But there is a prophecy: Six Stars will one day assemble and overthrow his tyrannical rule ...

Now, the ruler of the Yasha Clan has found Ashura, the last of the Ashura Clan, and together they set out to find the Six Stars and fulfill the prophecy.

From Yen Press: Meet Kobato Hanato, a sweet and rather simple young girl on a quest to have her single, dearest wish granted. But first, she must learn the ways of the world from Ioryogi-san, a gruff blue dog whose bark is just as bad as his bite! Under his “tutelage” (read: constant verbal abuse), Kobato puts her efforts into passing various trials of common sense so that she may obtain the key to getting her wish—a magic bottle which must be filled with the suffering of wounded hearts that Kobato herself has healed. But with Kobato’s common sense sorely lacking, she keeps flunking Ioryogi-san’s trials left and right! It looks like the road that lies ahead of Kobato will be a long one indeed!

Meet Kazahaya and Rikuo. By day, they are two ordinary pharmacists at the Green Drug pharmacy; by night, their boss has them filling 'special prescriptions' for clients with ailments that can't be cured using ordinary elixirs.

Kazuhiko is a black ops agent who is called on an unusual mission: he must escort Sue, an innocent waif who has lived in isolation for years, to an unknown destination. But there is a dark reason for Sue´s life of captivity, and Kazuhiko discovers that his mission is more dangerous than it looks.

From Tokyopop:

Akira - who later appears in the CLAMP School Detectives manga series - is a dapper, debonair young thief-for-hire who becomes the object of 5-year-old Utako's affections.

Combination is a police story about two very different men becoming partners to fight crimes in high places. Their combination turns out to be one-of-a-kind.

The story is based on the adventures of a pair of policemen, Hashiba Shigemi 26 years old and Keiichi Sasaki, 22. The two handsome young men are somewhat nonconformist and often act of impulse; especially the impetious Hashiba. They solve crimes with "less-than-orthodox" methods and push themselves to the limits of the legality; Often engaging themselves more on hunches and "faith" than for the same law; but after all they are the best "Combination" that can be found. thus the title of the series. They prefere to take action against the politically corrupt and the dealings of the yakuza. The Japanese Robin Hood?

Kenichi is a high school guy who wakes up in a magical land. Together with a fairy and a swordsman, he must recover two magical items to save the magical world as well as his own.

note: The manga has been reprinted in a normal tankoubon size with only Akiyama Tamayo noted as author.

From Tokyopop:

Kentaro and Takeshi are two freshmen who are periodically called upon to transform themselves into monster-battling superheroes, complete with capes and armor... but there's much more than meets the eye...

From Clamp no Lumiere: Murikuri is the story of a popular pig, a pervert santa claus and his high school girlfriend, nice aliens and many more... It does not make sense and I would advise you to not try to understand it. Murikuri is to CLAMP what special halloween is to the Simpsons, a collection of short gags.