From Storm in Heaven:

1)You Blossom in the Summer
Shinobu grew up in a town so small that he didn't even have any classmates in elementary school. Without any friends his age, he spent his time learning about flowers with a local horticulture expert. Now that he's moved away to a city, he still sticks to himself, since he never really learned how to make friends. That is, with the exception of Yukihito, who came up to him one day and became his friend. The trouble is, now Yukihito means the world to Shinobu, and he doesn't know what to do about it.

2)The Language of Flowers

3)The Insightful Florists

4)Strawberry Concerto

5)Cafeteria Love

6)Thermidor Fireworks

Set in feudal Japan, Sorano is often mistaken for a girl, and he is saved one day by Iori from some pushy guys; the two hang out together the following day.

Moyoco Anno lifts the veil on life in the Edo period pleasure quarter, Yoshiwara. The story follows Kiyoha, sold into a brothel as a child and forced to work as a maid and her rise to prominence as one of the top-ranking courtesans in Yoshiwara. The allure of the "flower and willow world," as it was called by artists in the day, is underscored by the very real tragedy, heartbreak and difficult lives led by those seemingly glamourous courtesans. Will Kiyoha’s fox-like wiles give her a chance to break free of her gilded cage? Or will her fighting spirit ruin her chances of ever escaping the brothel?

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.

From Wingtip Cafe:

In Heian era, a noble chief councillor of states had 2 children who wished they were opposite gender. Lady Kira is strong, willful girl, while Lord Kira is weak, beautiful boy. Because of their characters, their father raised Lady Kira as a boy and Lord Kira as a girl.
The manga is based on a novel from late Heian era called “Torikaebaya Monogatari”.

1-4) Tsuki wa Yamiyo ni Kakuru ga Gotoku
The rumor goes that sometimes, late at night, a white monster appears, and if you should look upon it you'll be devoured. One night, Tetsu happens to glimpse the man behind the monster, and decides that the man would be the one to teach him the sword and allow him to take his revenge. However, the swordmaster Shino is hardly interested in taking on any students. What will Tetsu have to do to get his revenge, and what happened to Shino in the past to turn him into who he is...?

5) Castilla
A dutch foreigner falls for a young samurai.

From Ivyscan:

In 1875, after the death of her parents, Uno goes to live in the Kanou household as a companion to Mariko, who is the same age as Uno. The two girls become very close and attend Cimons private school.
This great romance tells the story of the loves and dreams of two girls growing up during the westernization of Japan in the Meiji era.

From ShoujoMagic: This manga is loosely based on The Tale of Genji / ??????(Genji Monogatari) and is a MUST read! When the Emperor takes a new Empress, she is barely older than the Emperor's son Hikaru. She becomes both the one woman Hikaru loves and the one woman he can never have. And so Hikaru's feelings roam as his body wanders from bed to bed, seeking a replacement for her. When he finds the girl he believes can take her place...he commits a terrible sin. Now, a thousand years later, Hikaru's nightmares become reality as he is punished for past deeds in a new life--the greatest playboy in all of history...shakes like a lamb when any girl touches him!

15-years-ago Vivi, the demon, decided to leave the demon realm and come to the human world. There he found an abandoned baby and on a whim decided to keep it. Since then he lives together with Hana... but having a 14 year-old girl around you, is it really that simple?

Energetic and strong-willed, Beni doesn't care if she lives or dies as long as her death will result in embarassing her arrogant father! But one day, she suddenly encounters Kagetora, a ninja who's fallen from the sky and swears complete loyalty to her -- as her bodyguard. Kagetora has time traveled from a long, long time ago, and has devoted his life to protecting Princess Beni. Little does Kagetora know that this Beni is not the real princess... Can true love and honor survive after a centuries-long time warp -- in a crazy modern world?

10 years after the killing of Oda Nobunaga, allegedly through the betrayal of his follower Akechi Mitsuhide, Nobunaga's 16-year-old daughter is being sent to the current ruler of Japan, the cruel Toyotomi Hideyoshi. En route, she is rescued by two mysterious, powerful monks. Her mistrust of their intentions only deepens when she learns that one of them, who calls himself Tenkai, possesses one of the powerful weapons known as "Sodomu." Tenkai's plans will only become clear when his secrets are revealed! Hopefully, he can show Nobunaga's daughter that the power of "Sodomu" can not only be used for evil but rather for good as well!

A talented young man who doesn't want to be an official. A beautiful, intelligent young lady who hates to be looked down on by men. When these two meet in a very uncomfortable situation, a big argument arises. Will everything settle down, and can these two talented people find true love when there are so many obstacles ahead?

Alicia Faitlin, daughter of an impoverished aristocratic family, was forced into an arranged marriage by her uncle, but the groom is killed suddenly in the middle of the ceremony.

Although Alicia has been labeled “The Princess of Death” due to this incident, there's someone pursuing the matter of a second marriage with her. He is an upstart noble whose family was recently promoted to the ranks of the aristocracy, Kashburn Licen. This man is rumored to be a "Tyrant" but-?

An anthology collection of very short parodies of classic fairy tales and stories, such as Cinderella, Robinson Crusoe, Ali Baba, Snow White and more.
The reissued edition lacks a large fully-painted poster supplement.

From: Easy Going Scans

Ichi is a lone goze (blind woman singer) who has become separated from her traveling entertainment troupe. Wondering how she will find her place in life, she carries only a shamisen (a traditional Japanese stringed instrument) and a walking stick with a hidden blade inside. When necessary, she uses her exceptional sword skills to fight off yakuza and other villains.

From Entropy:
Set in 1809, this story involves Carl Czerny, Franz Peter Schubert, and Ludwig van Beethoven as they attempt to investigate the mystery surrounding Mozart's piece "Mozart's Lullabies," driven by the death of a storeowner. Want to know more? Want to unravel the mystery? Read it!

From Friendship Scans

Princess Hakunamatata of Mongolia was sent to Imperial China to marry the young emperor so that she can become the new empress. However, the emperor already has a benevolent and loving wife, and he does not wish to take in a new wife. Already angry that her new "husband" is weak, timid, and puny, the rejected Princess Hakunamatata began to create endless trouble in the Palace! She is straightforward and fearless, and does whatever she wants! Instead of confronting Princess Hakunamatata, the empress decides to betroth her to the emperor's uncle, who absolutely finds the princess intolerable. Amidst all the hilarity and misunderstanding, a conspiracy is slowly emerging from the shadows - and all four characters' fate will change forever.

Once again, Prince Lui is on the road, searching for the perfect pair of huge? that is, for a bride, together with his servant Wilhelm and the witch Dorotea. A shipwreck takes him to an unknown kingdom, where he meets a melancholy little mermaid? But of course, nothing is what it seems when Lui unravels the mysteries of another classic fairy tale princess!

Former samurai Uedo Ushinosuke wonders in the streets of Tokyo during the time of Meiji restoration. Would he settle down during this changing time where samurai are no longer needed or fight for one last time for his pride as a samurai?

Long before the dawn of man, savage dinosaurs roamed the Earth. Now, only one remains — the smallest, wildest of them all! GON marches across the wilderness defending the friendly and furry from the mean and hungry. Told entirely without words, these stories highlight the amazingly detailed art and visual storytelling genius of creator Masashi Tanaka.

Got an additional chapter in Afternoon 2013-11 (to promote the CGI show), and a spin-off in 2006 called "Gon-chan" in Comic BonBon that lasted until 2007.