Yoshihara, Rieko

Michihara, Katsumi

Nagato, Saichi

In the future, on a distant star lives a new society. Ruled by a computer system, named Jupiter, men are divided into classes based on their hair color. The Blondies, genetically altered by Jupiter, are the highest class and occupy the capital city of Tanagura. Those with black hair, Mongrels, are forced to live in the slums, Ceres. Iason, the leader of the Blondies, encounters Riki, a mongrel, in the streets of Ceres one night and sets out to own him.

(Source: June)

Subtitles for the individual volumes are as follows:
1: Stranger (帰って来た男)
2: Destiny (命動)
3: Nightmare (刻印)
4: Suggestion (昏迷)
5: Darkness (長い夜)
6: Metamorphose (衝動の引き金)

Ai no Kusabi

間の楔

Shimotsuki, Kairi

Cry fell for Sig the moment he saw him at school, and though they became good friends, the relationship never progressed to what Cry wanted. But when Cry's overprotective brother Hard becomes jealous of him branching-out and having friends, Sig begins to see things in a new light. The second half of the manga focuses on Hard. As Cry drifts away towards independence, what will Hard do, since his sole purpose in life was to protect his brother...?

Also contains a short extra to Inferior Doll. (Source: Storm in Heaven)

Heaven's Love

ヘブンズ・ラブ

Okadaya, Tetuzoh

Angie, though hailed as "The Man of Tango," had never truly felt the deep, fiery passion of Latin dance. That is, until he met Hiro, a man born from a Latin mother, who was under his Japanese grandfather's custody and now lives as a Japanese citizen. Now, a slow, seething desire begins to rock his body and soul! At first feeling a nostalgic familiarity toward the Latin dancer, Hiro finds himself drawn into the seductive beat of a Latin dance, opening his body and heart to the smoldering heat of his Tango partner. 

(Source: Aurora Publishing)

Tango no Otoko

The Man of Tango

タンゴの男

Motoni, Modoru

A story about two men that have been best friends for years, knowing the fact that they have feelings for each other, and ignoring it. They discovered it on their college days and settled the matter with a time limit; if they hold the same desire years later they will do something about it. Now both of them have girlfriends, but it seems that their desires only grew stronger, in spite of loving their women. So, what happens when their girlfriends agree to make them indulge in their desires?, and have a relationship only between the limits that desire allows them...

This is a bet, to know what is stronger, love or desire?

(Source: Queen2408)

Koi ga Bokura wo Yurusu Hani

恋が僕らを許す範囲

Nanami

Endou got into an affair with the neighbor's wife and was caught red-handed by the husband, Okumura. He apologized to Okumura and was expecting a beat-up when Okumura pushed him down instead. They ended up staying and setting up a company together. Everything looked blissful until Endou found out through Okumura's ex-lover that, Okumura might be cheating on him. What would Endou do?

(Source: Attractive Fascinante)

Kiken na Otonarisan

キケンなお隣さん

Takagi, Ryo

A spin-off oneshot of Ousama Game, involving, yet another Prince (5th) ... and, of course, a Pirate... 
(Source: DokiDoki)

Kaizoku Game

Mieno, Saori

Arthur and Laurent were childhood friends that grew up together, but they had the difference of a noble and servant status. As they grew older, they came to understand the difference in their stations. Although both of them have affections for each other, such feelings could not be accepted...

(Source: Bliss &amp; Nakama)

Hanakage no Kioku

Flower Shadow's Memory

花影の記憶

Sugimoto, Ami

The third series in the "Animal X" timeline.

Having burned enough bridges in Japan, Yuuji and Minato have moved their new family to a small dinosaur-crazy town in Canada. If there's any place in the world left for Dinosauroids, surely it must be here: a town revived by the discovery of dinosaur bones, with one of the largest paleontology research centers in the world, and a network of "Conservation Centers" set up to cater to the newly-discovered Dinosauroid community. The rest of the world, None-the-wiser for the incident at the Biodome (which was covered up completely) has pretty much forgotten all about Dinosauroids.

Animal X: Genshi Sairai

Animal X―原始再来

COGA, Mayumi

A collection of 11 oneshots from Coga Mayumi, including Hibi Kira Kira: 

It’s summer holidays for Tomoaki and he is helping out at the daily morning exercise for kids. But recently, he notices that a young man living beside the park has been looking at the exercise group every morning. Is the young man a Lolicon that is targeting his kids, or is it entirely something else? 

(Source: Echochi)

Blind of Mind

ブラインド オブ マインド

Yamada, Yugi

Compilation of 7 short stories:

1) Love Affair in the Afternoon
College student takes over a tutoring job for the friend he has a crush on.

2) I don't mind it if You are a Man
College students/neighbors are (only?) sex friends.

3) Love's Worries
Ex-lovers from their student days are reunited.

4) Kana and Patience
Divorced man cheats on his new lover.

5) Why there is no Ice Beer
Younger co-worker always hangs out at his sempai's house.

6) Bring Me to the Edge of the World
An odd 17-year-old electrician puts in an air conditioner for sexy businessman.

7) Spinning World
Sequel to Bring Me to the Edge of the World. 

(Source: MangaUpdates)

Yarashii Hirusagari

やらしい昼下がり

Fujikawa, Touko

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. (Source: Storm in Heaven)

Natsu, Kimi ga Saku

夏、君が咲く。

Higashizato, Kirico

Kai receives a mysterious gift, a virtual reality machine that allows its users to engage in role playing in any fantasy world the mind can dream of. Any experience can be had in the virtual world--love, lust, and even sexual gratification. (Source: DramaQueen)

12 Manga Like Finding a Ticket Into Your Heart