Jang-Mi and Taebong's long-time friendship is put to the test after they both sleep together for one night. Is this love or just sex? Read H-mate ( Hメイト, H메이트) by Turtle Feet now!!

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+ Brawling Go Manga
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+ H Campus
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+ A World That I Rule

From Kodansha:

Class troublemaker Ryu Yamada is already having a bad day when he stumbles down a staircase along with star student Urara Shiraishi. When he wakes up, he realizes they have switched bodies—and that Ryu has the power to trade places with anyone just by kissing them! After figuring out the workings behind this new and amazing ability, Ryu and Urara take full advantage of the situation to improve their lives. But with such an oddly amazing power, just how long will Ryu and Urara be able to keep their secret under wraps?

Yuki Anno just turned into a high school student, she's very nervous and what's worse, she is in a different class from her best friend Jiu. But she resolves to make new friends. Upon meeting Jiu's cousin, Yuki, who has the same name as her, will she be able to open up and show people who she really is?

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From Yaoi Is Life:

Saichi and Kotetsu are drawing manga as a team while living in extreme poverty. At loss for an idea, both of them decided to write a “real BL” based on themselves! They rise to be a star in the BL world, but…?!

"The other short stories within explore a schoolboy crush that turns into something more, an antagonistic relationship between a wealthy heir and his crush, and the love life of Usaki, the editor of Saichi and Kotetsu’s stories" (June).

Mizuki gets confessed to by a boy in front of a special Mirror. Legend has it, that if you confess to someone you like in front of that mirror your wish comes true.
There is a slight Problem in this Equation: Mizuki is just a very feminine looking boy.
Also it seems that he caught the Attention of the Norse Trickster God Loki while glancing into the Mirror. Loki decides out of boredom to mess with Mizuki and turns him into a real Girl.

From MangaHelpers:

Shou lives out in the country. He has a big crush on his childhood friend Sora, but is afraid that she thinks of him only as a little brother. One day, Sora announces that she was abducted by aliens. Later that day, Shou confesses his feelings for her and she dies shortly afterward. Shou is still in shock from her loss, when an alien girl named Lila comes down from the sky. She has a disk that contains a brain scan of Sora, and she can run Sora's personality in her own body. She also wants to have a child with him. Will Shou be able to cope with all of these sudden changes, and will he be able to keep Sora with him after all?

One social outcast unleashes a cross counter that will change the world! A raging storm of fighting action!

Shotaro Mitarai has given up on life, but when he visits the great forests of Mt. Fuji to end it all, he's attacked by the Suicide Hunters. On the tip of a gruesome lynching and faced with a tragic death, the seeds of rage sprout within Shotaro! What course of action will he take from within the inferno of anger?!

Awaken! Stand and fight! Let the gong of your soul sound true!

The spin-off of the popular fantasy manga "Fairy Tail". Consists of 3 volumes

Volume 1: Kengami no Souryuu / Twin Dragons of Sabertooth
Sting, who became the master of Sabertooth, Rogue, Yukino, and Minerva together perform jobs together, but...? What is the danger approaching their guild and the whole continent!? The episode that was not shown in the original story is now being told!!

Volume 2: Rhodonite / Road Knight
Spin-off of Fairy Tail following Gajeel and his past.

Volume 3: Raigo Issen / Flash of Great Lightning
The story centers Laxus Dreyar, the Thunder God Tribe, and the time they were affiliated with Blue Pegasus.

Meguro Mito has always been made fun of for her chubby appearance. Her sole happiness is discussing her favorite role-play game with her two best friends. One day, while she is being bullied, a handsome classmate saves her. Is this the beginning of her first love?

A story about a long-necked girl's love life:
Kanoi Natsuki and her childhood friend Itsuki visit the same school and there seems to be more between them besides friendship. As a Rokurokubi, her quirk of stretching her neck is normal for her and her surroundings, but it's not always her choice to stretch it and although she has feelings for Itsuki, she can't tell him what she feels. Ultimately, she has to go through misunderstandings and shame.
Itsuki, meanwhile, manages to make any awkward situations dissolve or maybe not?

From Manga Box:
One day, a yakuza gang member is attacked in Roppongi, Tokyo. This is only a prologue to one man's revenge story, triggered by the events of twenty-two years ago. The flames of revenge burn in the darkness of the city. By the author of Hitoshi Tadano, Chief of Special Operations, Kimio Yanagizawa.

From Sweet Indulgent:

Hana is a normal teenager who goes to school normally, that is until she gets run over by a car... or did she? Suddenly, she finds herself in a weird place known as the "Red Light District"... in EDO PERIOD?! Trying to find a way to get back to her own time, she somehow gets mistaken for a prostitute and has to escape. Not expecting to be saved by a gentleman, she suddenly ends up in a geisha house.. but then she is bought by the same guy who helped her earlier?!

Tegami Bachi (or Letter Bees) are couriers that deliver important letters and packages throughout the land of eternal dusk, Amber Ground.

The story revolves around Lag Seeing, a young boy who was born on The Day of Flicker, 12 years ago when the man-made sun went down for unknown reasons. The manga follows his ambition to become a Letter Bee and how he follows the path of his idol Gauche Suede who suddenly went missing one day...

Mori, a cheerful playboy in his sixth year of college, has just fallen in love with a high school girl named Hoshi. From that starting point, Mizu no Iro Gin no Tsuki portrays the relationships among Mori's friends and acquaintances.

Vol 1 contains work originally published in 1998-2000, which was previously collected into a 2000 tankoubon entitled Mizu to Gin. Vol 2 contains work published in 2005-2006.

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From Shoujo Crusade:

What does it mean to be in love? Inoue Fuuko has a huge crush on the handsome Takamiya-senpai but due to her over the top delusions, she's mistaken as a stalker. Even though Fuuko really likes her senpai, she just doesn't know how to approach him without her delusions being triggered! Find out what this total amateur in love will do to get her beloved's attention!

From Black Lilac Scans:

What's it like to have a personal cook with great culinary skills and dashing looks? Sumika, an orphan, has one such personal cook, Miyoshi, who takes care of her needs. Miyoshi never complains but caries out his duties to the very end. But is it all just an act of duty? Does Sumika really understand how Miyoshi feels or does she take Miyoshi for granted? Follow Miyoshi and Sumika through trails and tribulations and witness a beautiful love story blossom~!

A weird comic for a weird world.