From Tokyopop:

After a near-fatal car accident, surgeons rebuilt Reiji with prosthetic parts and renamed him Himejima Kazemichi. It was a second chance at life... but there was no guarantee that his new body would last. As his artificial heart runs down, Kazemichi embarks on a journey to discover what his life really means, and live -- and love -- to the fullest. Along the way, he uncovers dark secrets about his past... including the organization that was responsible for resurrecting him...

NOTE:This manga must be read from the left side to the right side (Because this is an interesting Vietnamese manga)CONTENT:Louis,a genius French general in the 19th century has been shot in a battle.Li Le,an 8 years old lady live in the 21st century,with spirituality power,she has brought Louis's soul into her brother's death body to maintain his brother's life.When he woke up in her brother's body, Louis was surprised by the novel change of the world in 200 yearsBe choosen to be the death brother by Li Le,Louis comes into the new world with so many wars he hasn't crossed before.How will the 19th French general live in the civilization of the 21st century world.Contemporary,what is the reason make Li Le's brother suicided

Takemoto Takeru, an ordinary high school student, encounters a strange light during a bike delivery for his part time job.

When he stops and searches the surroundings, he notices a cute girl named Hikari climbing out of a sparkling cocoon in the forest.

Takeru instantly falls for her at first sight, but was interrupted when suddenly a monster appears at the same spot and attacks the girl.

This is the beginning of adventurous and exciting days for Takeru, the mysterious girls, Hikari and Akari, his childhood friend Nishino, Mari, and his classmates.

Two manga artists are trying their best to have their work accepted by someone who appears to be their superior. However, their latest work has been denied!
Their superior requests that they write a manga about a drama where a man protects the peace of the world. The two get together and begin to write a manga about a boy who promises a girl protection!

The leads in this story are the duo mangaka mentioned in the 20th Century Boys manga, who together go by the name of Ujiko Ujio, a pun on the duo who went by Fujiko Fujio (FUJIKO Fujio (A) and FUJIKO F. Fujio), the creators of Doraemon.

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.

From Shoujo Manga Maniac:
That man will take away both your heart and your body, together with the jewels... Kaitou Crow is a beautiful, unidentifiable young man who's only after jewels. Ruri, the daughter of a jewel designer, accidentally saw the kaitou while he was going for a preliminary inspection. While snatching away Ruri's first kiss to seal her mouth, Crow announced that this time, he would steal both her heart and her body, together with the jewel ... ? The dangerous love mystery of a conceited, forceful, beautiful, young, and perverted kaitou!

Since the characters of this volume are the same of the other 3 volumes, you can consider this as the 1st volume of the series!

Includes extra oneshots, Kuchizuke wa Amai Bara wa Kizuato and An Easy Mystery Better Than A Kiss.

Nakanishi searches for the truth about a classmate's murder so he can settle a grudge for her.

From AQUA Scans: Elite Development Education Academy, Noblesse Oblige. The grandson of the academy's chairman, promised heir as the next chairman, Inaba Hakuto. The kind-hearted, younger brother who supports him, Inaba Kokuto. However, with the chairman's death, the fate of the twins begins to greatly warp. The one who holds the key is, the demon who resides in the mask... Masquerade...

This award-winning classic story focuses on Marlee, an agent of the space empire sent on a mission to track down the opera singer Eroccus. There are three intertwining narratives which span planets and hurl the readers back 30,000 years in time. The narrative takes place in a non-linear fashion, unfolding across space and time, before folding back upon itself at its culmination.

Note: Winner of the Seiun Award in 1983.

Note 2: Gin no Sankaku was not serialized in a manga magazine. Based on content, it could be considered either seinen or josei.

A collection of four short stories.

Suna no Ue no Rakuen (砂の上の楽園)
Yoru no Mori no Soko ni (夜の森の底に)
Boku wa Tabi o Suru (僕は旅をする)
Ame ni Nareba ii (雨になればいい)

Chapter 1 is the 100-page title story. It's a supernatural fantasy tale about a man with one chance to escape from death, a mysterious woman he meets, and a tribe seeking to find its way back into Heaven.

Chapter 2 deals with the mystery of a man gone missing, and presumed dead.

Chapter 3 is a very short story about a couple in the mountains who pick up a strange guest.

Chapter 4 is a longer story about the traditions binding a family, those that would break away from them, and the dark secret that holds the family in sway.

Erika Klause was separated from her brother when she was little. Determined to meet him, she decides to enroll at Rosenstolz Academy, where she is sure that she will find him. But, on the first day of school, she accidentally meets the five Strahl candidates. Since assistants of the Strahl candidates gain access to the boys' dormitories, Erika becomes determined to become an assistant in order to find her long lost brother. What awaits Erika at Rosenstolz Academy?

Yuki Kaori only did the original character designs.

From Storm in Heaven:

Possessing extraordinary detective skills and even helping out at the police department can't be normal, and anyone who knows Uryuu Nanao knows that she's different from the rest. It is this distinctiveness that draws both Karasuma Nozomi and Sakuragawa Nozomi to her despite Nanao's attempts to distance herself from them both. However, a series of murders take place and Nanao is forced to enlist their help in order to unravel the truth behind her father's murder. Just who is the real mastermind behind the ongoing murders and why are they targeting Nanao? And what is the secret left behind by Nanao's father?

Kurusu Hiyori is a young policewoman and the daughter of a former police chief. She has the unusual curse of having predictive dreams of a person's murder the following day. Tragically, the first of these dreams she experienced showed her the death of her own father. Over time, the dreams have led to her social isolation, a kind of grim-reaper reputation, and a lot of problems at work-- the police are not fond of her habit of rushing off to investigate future crimes she saw in her dreams. Even worse, the dreams that have left her as an adult bedwetter have not enabled her to save a single person.
That all changes, on the day after she dreams of the assassination of Claus Haida, a creepy foreigner. She is overjoyed to have rescued him, but it turns out that he is something of a monster himself. He works for a foreign company, and has decided that it is in both of their interests for the two of them to team up. He is undeniably useful, but can Hiyori really join forces with such a person?

Legend has it that if you take your guitar and stand at a crossroads at the witching hour, the devil will appear. He'll grab your instrument, play a song, and hand it back to you. You'll walk away an expert bluesman, but you'll have to pay the price: your immortal soul.

Won the 2009 Glyph Comics Awards in the Best Reprint Publication category.

Sawatari Ai is an insatiably curious high school student. One day, she notices that a boy named Akizuki Tooru has joined her class, but according to her friends, he's always been around! He was a childhood friend of hers, so why doesn't Ai remember him? But the weird thing is...Ai's memory lapse isn't the only weird thing. She's about to be faced with hyper psychic action!

Note: Volume 2 only has one chapter that deals with the main story; the rest of the volume consists of unrelated oneshots.

Dusk Is Twittering (Tasogare wa Sasayaku) - Is a school story about a boy--who draws--that transfers to a new school for follow a girl he has a crush on. Unfortunately for him, she already has a boyfriend.

The Sound of Melting (Tokeru Koe) - Is school life story about a girl that dislikes her own voice due to being compared to her mother, who is a singer. Despite this, she loves to sing. So, there is a boy the sends her slips of a love letter after her voice lessons based on her voice.

Midsummer's Criminal (Natsu no Ran) - About an adult that tutors a 6th grader, who looks like an adult.

From Baka-Update: Russian bodyguard Alexis is given the task of hunting down famous art thief Shiro, but is intrigued by art researcher Kairi. In a world of lies, intrigues, and espionage, love can be a deadly illusion...

In the Mimi (w)o Sumaseba series:

V.1 - Mimi (w)o Sumaseba
Shizuku Tsukishima loves books. One day, she notices that the name Seiji Amasawa appears on the checkout cards of nearly every book she's borrowed! Before she realizes it, her heart is pounding for a boy she's never met... and that's when a mysterious black cat and Shizuku's sense of wonder guide her to an unusual shop--and introduce her to someone she's been curious to meet! Amazing things can happen...when you listen to your heart.

- ShoujoMagic

V.2 - Shiawase na Jikan
Two years into the future, and Shizuku is now preparing for her entrance exams. The second story, "Kikyou no Saku Koko" (The Blooming of the Balloon Flowers), is an unrelated original story. Tsuge Takayuki is a normal college boy, who, one day, sees a girl admiring the flowers in his front yard, and was reminded of a girl who stood by the flowers one year ago, crying in the rain. He falls in love with her, but will her injured heart accept his feelings?

Shiragaki Seiya, a high school student and the daughter of a mangaka, is anxious to become financially independent so as to relieve the burden on her single mother. One day while on the way to school, she has an encounter with "The Spirit of the Chest, Aurelia de Medici," and thereafter finds herself thrown headfirst into a no-holds-barred otherworldly battle revolving around money.

Manga adaption of H.P.Lovecraft's "The Haunter of The Dark" and "Dagon"

The story is set in Providence, Rhode Island, which is author H. P. Lovecraft's home town and a common setting in his books. Robert Blake, a young man with an interest in the occult, becomes fascinated by a disused church in Federal Hill. His research reveals that the church has a sinister history involving a cult called the Church of Starry Wisdom and is dreaded by the local inhabitants as being haunted by a primeval evil.

Jae is a Korean student who came to Europe to study art. Things aren't going her way, but she's determined to make it. One night, her friend Melissa brings a drunk guy to her apartment and asks if he can stay there for the night. Jae doesn't like it, but agrees. That night she has a dream that the drunk guy drinks her blood... which, of course, turns out NOT to be a dream.
Jae is surprisingly unafraid of the vampire, Michael, and starts to paint his portrait. The two strike an unusual deal: if Jae allows the vampire to feed on her, he will pose for her. His beauty and alluring preternatural energy could be exactly what Jae needs to finally succeed as a painter.

Contains the side story: Scissors