GuessAnime.

10. Goth

A rather morbid, sombre manga about two high school students, Kamiyama Itsuki and Morino Yoru, who have a peculiar interest in deaths and especially in murders that are committed near to them. Due to their strong fascination with murder and highly-developed analytical skills, they manage to solve the murders that have even eluded the authorities. However, acting on their own sense of justice and in self-interest, the murderers are often able to escape with the murders that they have committed. Often, it is Kamiyama that solves the cases even to the most subtle of details, but he is only interested in one thing, and that is the method to which Yoru Morino should be killed.

Goth is finished and has 1 Volumes and 5 Chapters. It is also Known as: GOTH, Goth: Wrist Cut Jiken

9. World Embryo

A deadly virus is spreading across mankind, turning humans into gruesome monsters known as ‘Kanshu'. Yet no one knows of their existence, except for the organisation called ‘F.L.A.G.', dedicated to hunting down and destroying the source of the infection. Its members possess extraordinary powers, capable of unleashing righteous fury on their enemies. One day, a cell phone message from a dead relative leads estranged youth Riku Amami unwittingly into the conflict between F.L.A.G. and Kanshu - and to a mysterious cocoon that would change his life forever, for better or worse…

World Embryo is finished and has 12 Volumes and 97 Chapters. It is also Known as: ワールドエンブリオ, World Embryo

8. Sakura-gari

Sakura Gari is a Taishou Era romantic story, ten years in the making. It centers around the 16 year old Tagami Masataka as he aims to find his place in life. While attempting to start prep school as a rounin, he encounters Saiki Souma - the son of a distinguished noble of the Saiki Koushyaku family - and becomes part of the Saiki household.

Sakura Gari is a homoerotic shoujo manga. It's the newest work by the manga-ka Yuu Watase , and is currently being published seasonly.

Cherry Blossom Hunting is finished and has 3 Volumes and 9 Chapters. It is also Known as: 櫻狩り, Sakuragari, The Hunt for Cherry Blossoms, Cherry Blossom Hunting

7. Saishuu Heiki Kanojo

Shuji and Chise are two Hokkaido high school students barely starting a relationship with each other. Then, with no warning, a squadron of bombers from an unknown country destroy the city of Sapporo. All hope is lost when suddenly, the bombers are destroyed by a small red light floating across the sky. At this point, Shuji finds out that the one responsible for eliminating the enemy forces is Chise, who reveals herself as a cyborg engineered for mass-destruction.

SaiKano is finished and has 7 Volumes and 72 Chapters. It is also Known as: 最終兵器彼女, My Girlfriend, The Ultimate Weapon, Saikano: The Last Love Song on This Little Planet

6. Mushihime

A dark romance about a high school boy who falls helplessly in love with a beautiful girl who has to eat people to survive.

Insect Princess is finished and has 3 Volumes and 24 Chapters. It is also Known as: 蟲姫, Mushi-hime

5. Ningyo Series

This is Rumiko Takahashi at her darkest, but her trademark humor and romance also pop up in this three-volume series. Legend has it that if a human eats a mermaid's flesh, they will be granted eternal life. But is that a blessing or a curse? Immortal lovers Yuta and Mana travel through Japan and the centuries longing for a normal life. On their journey, they meet others who have consumed the flesh of a mermaid in hope of becoming immortal. But the powerful substance affects each person differently. Yuta and Mana are two of the lucky ones. Others are fated to die or transform into a savage monster, a "lost soul."

Ningyo Series is finished and has 3 Volumes and 16 Chapters. It is also Known as: 人魚シリーズ, Mermaid Forest, Mermaid's Gaze, Mermaid's Scar, Ningyo no Mori, Mermaid Saga

4. The Flowers Of Evil

Se-Joon and Se-Wa are siblings with a dark, complex relationship. Se-Wa, a girl considered psychotic by others, is attached to her brother... a little too attached. In her eyes, there is only Se-Joon, and no one else. And what of Se-Joon's feelings?

The Flowers Of Evil is finished and has 7 Volumes and 26 Chapters. It is also Known as: ag-ui kkoch, Blumen des Bösen, Flower of Evil, Kwiaty Grzechu, Les Fleurs du mal, The Evil Flowers, Цветы зла, 恶之花

3. Happiness

Makoto Okazaki is your run of the mill high-schooler, a perfect bullying target and a closet pervert. One Night he decides to return a DVD to a friend of his and ventures out into the night. He notices a person on a nearby rooftop. The person lunges at him before he is able to make sense of this, and bites into his neck, drinking blood. Then, they stop. At this point, Makoto notices that the attacker is a beautiful girl who asks him: "Do you want to die or become like me?" He decides to live...

Happiness is finished and has 10 Volumes and 50 Chapters. It is also Known as: ハピネス, Happiness

2. Kuro Bara Alice

The young tenor singer Dimitri miraculously escaped with his life after a severe accident. But soon after that, strange cases of group-suicides started to happen all around him… A vampire-romanesque tale of love and survival!

Black Rose Alice is finished and has 0 Volumes and 27 Chapters. It is also Known as: 黒薔薇アリス, Kuro Bara Alice

1. Sakuranbo Syndrome - Cupid no Itazura II

"Progressive Rejuvenation Syndrome." This is an extremely rare disease causing the inflicted person to gradually become younger. The main character of this story, Munenori Agawa, is the only person that could save Rena Amami from this odd disease. Agawa's saliva is the only thing that can halt the disease from making Rena younger, so they must kiss everyday in order for her to survive. This causes an immense amount of conflict and drama between Agawa and his new girlfriend, Sayako Asou. This triangle relationship story tests the capabilities and limitations of human love.

Included one-shots:

Volume 9: Nijidama Punch

Volume 10: Psychic Duo

Volume 11: Nijidama Bonbon

Sakuranbo Syndrome - Cupid no Itazura II is finished and has 11 Volumes and 98 Chapters. It is also Known as: さくらんぼシンドローム クピドの悪戯II, Cupid's Prank II: Cherry Syndrome, Nijidama Punch, Psychic Duo, Nijidama Bonbon