1) The Memory of Water
Shiina is an ex-swimmer who is now a chain-smoking high school teacher. He's tried to leave his swimming past behind him, but upright student Kadokura won't let that happen.

2) Forecast of Life's Springtime
Minori is the son of professional gardeners and he's sick to death of flowers! Gardening club student Shoutarou kills everything he touches, and Minori feels sorry for him.

3) A Child's Belongings
Hiroto's parents died in an accident and then he is approached by a businessman who wants to buy him. But he's not interested in sex, he just likes to look at Hiroto in his school uniform.

4) Sweet Home, Bitter Brother
Atsuhiro and Yousuke were childhood friends who became brothers at a young age. They've always been together with the slightly older Atsuhiro leading Yousuke. But Yousuke has feeling's he can't tell his "brother" and resolves to go away to college.

5) Paradise Game
Hazuki Junya is a professional gamer who works for a video game company, but when he gets beaten by his new coworker and amatuer Hatanaki Ryouji he can't believe it. A friendly rivalry and friendship starts between the two.

From Project Bite Me! Scanlations:

In a world where women are constantly wanting to kill themselves and insult the hard working women that work at Soapland, a single man rises up to stop them! Who is that man? That man with the super masculine form and a body of steel? It's none other than Nikutaikan-K! While he blindly rushes to their aid, maybe his first action should be to find out what is causing these women to want to die in the first place?

Keidai Saeki is a high school student who remembers his past life in Pompeii, living as the Italian warrior Sirix. His friends around him are all also reincarnated - although they don't quite remember things the way he does. Keidai's wife from the past? She's now a middle school boy - while his best male friend is now a cute girl?! Throw in a case of love at first sight, and you have a new look at romance - manga-style!

Sakuya used to be a fearsome high rank vampire until he fell inlove with Atsumi. Now, he's fallen so low that he can't even drink other people's blood because only Atsumi's blood suits his taste. The problem is, Atsumi is not only a guy, but also a vampire hunter... Their love is more than just complicated, it's a game of life and death for them both!

From Tokyopop: Nanaki survives a car accident to discover he is psychic. Recruited into an organization that solves cases with psychic powers, Nanaki's average life quickly turns into one of adventure and intrigue. Slacker Nanaki Shunsuke's life is turned upside down when he's hit by a bank robber's car and later meets a strange boy who claims that the accident caused Nanaki to develop psychic powers and that he is required to join LOCK, a paranormal investigations agency or be the suspect of any and every suspicious case that turns up. (thought a summary and categories were need since there weren't any :P If your into Shonen it's a good read :P Sirenic Griffin){Corrections by Silvermagic}

The fate of the world rests on one man's shoulders. Or, to put it more exactly, it rests on his balls.
In a freak sealing accident the Queen of Terror is sealed into Satou Kohta's balls, thus preventing her from reigning destruction on the world. However, a lesser devil, the incompetent horned tsundere loli Elyse, has been sent up to Earth to release the Queen at all costs. The only way to do so is to make Kohta ejaculate, and Elyse only has 30 days to do it.
The battle for mankind has begun, in Kohta's pants.

1-5) Ore no Tenshi wa Mayonaka Akuma
This is about a teacher, Fujiki Tomo, whose class has a new student who is as cute as an angel: Shiina Kazunari. But whenever Fujiki sees something unbelievably cute, he can't help but have an incredibly fierce and scary expression on his face due to nervousness. This scared Shiina a lot... and just when Fujiki is trying hard to fix his problem, a second "Shiina Kazunari" appeared in front of him at night. He stole a kiss from Fujiki, and said, "I fell in love with sensei today, and couldn't help but come and see you." The smiling person in front of him, wasn't the angelic Shiina, but a seductive young demon!

6) My Angel is a Demon

7) Please Lock the Door

8) Homura
When his mother dies Tatsuru moves in with his father and half brother Kotetsu. Tatsuru is faced with Kotetsu's constant abuse, but can't stop himself from being drawn in by Kotetsu's fiery eyes.

Oneshot from Seimei-Onmyouji Retsuden

It's a story about a seimei and his aspiring apprentice, a young fox youkai.

Himeno is going on a school-trip with her classmates, including three boys who can transform into the buddhist monk statue, Jizo.

Yamada Momoka is your average 16 year old girl. Her family consists of herself, her dad who works at a TV station, and her mom. Apparently she also has a strict prune of a grandma, but who doesn’t? Except that the grandma, Yamada Tamaki, had an accident at the TV station where she got electrocuted and now looks like a 16 year old Yamato Nadeshiko. It isn’t easy for Momoka when her grandma arbitrarily decides to attend Momoka’s high school as a student as well. Tamaki isn’t just pretty, she’s also very cultured, well-mannered, and still maintains her old-fashioned streak from her 65 years of wisdom. It’s bad enough when Momoka starts being referred to as “Old Yamada” and her grandma (Tamaki) referred to as “New Yamada”, but it’s even worse when Momoka’s crush on a dashing young man starts to take an interest in Tamaki as well. Fight-o, Momoka! Protect your beloved grandma, Momoka! And don’t let her walk off with your boytoy, Momoka!

From Seven Seas:

Death Jr. -- you've played HIS PSP game, you've read HIS comic! Now get ready as we turn the tables and shine the spotlight on a force as powerful as the son of Death himself -- his girlfriend!

Pandora discovers a secret portal that sends her to the future and into the body of her teenage self. Besides having to grapple with teenage angst, she must save the future DJ from his greatest enemy yet -- a snake-haired foreign exchange student with a deadly gaze and even deadlier intentions!

Keisuke and Makura are childhood friends who grew up together almost like brother and sister. One day, due to a misunderstanding they had, Makura left the house angry until Keisuke's Mom is worried about Makura not coming home yet, thus Keisuke is told to go look for her. Reluctantly, Keisuke went out to find Makura, He ended up at a place they used to go often, the sunflower field. Luckily, Makura was there. Keisuke joined her sitting on the bench and they began to reminiscence. When Keisuke decided that they should head back home, he phoned her mom to say that he found Makura, only to be shocked when her mom told him in panic to head to the hospital. At that same moment, he looked at Makura, who was not standing but floating in the air...

An eccentric witch chooses a useless scarecrow to be her familiar, but why? A fantasy romance that resounds in the heart!

Long ago, couple suicides were common, but some left with unfinished business. Now some 'destined couples' have been reincarnated in the present day. Each has a reminder of the past: a butterfly-shaped birthmark on their thumbs. When the marks touch, they catch a glimpse of their shared past, though what they see doesn't always match.
Tsubame insists that he and Kanoko are fated to be together. By the time Kanoko finds out it's not true, it's too late: she's already fallen for him. The "butterfly" friends must reconcile their ties to the past with their present desire for fun and romance!

A mysterious command arrives from a "King".
The life-threatening "Game" has now begun for the 32 students of the first year's B Class.
One day, all of the students in Nobuaki's class received their first message from someone calling themselves the "King", in which was written a baffling command.
That first command was very easy. However, the commands began to escalate until a life-threatening game had begun.
Failing to obey the orders leads to death!! Their friendships are being undermined by a bottomless terror!!

From Tokyopop: Natsumi Kawashima, an energetic fifth-grader, is obsessed with her fantasy of being the ideal, sexy woman. Rejected at every advance by the cute guys that she fawns over, she finally gets a break when she picks up a package of mysterious pink nuts that are adults only. Eating these nuts causes her to morph into a voluptuous adult, and she's offered modeling opportunities and suddenly becomes noticed by guys who wouldn't have given her the time of day before. But, she's still a kid inside and is about to learn that things don't always work out exactly as you hope they will...

Wi-Lan is a poor girl that was born in a poor fisherman family. She yearned to go to that high standard private high school. When she received the entrance letter, she was so happy, but then she became the laughter of the whole school for being the poorest kid in the school. She was teased and pranked. Until a few weeks ago, a new student transfered to their school, San-Yue. Wi-Lan had a crush on him along with the rest of the girls. When she confessed to him, he ran off without saying anything. Apparently, he and his family are hiding a dark secret...

From Tokyopop:
A smoke-filled alley in Chinatown harbors Count D's Pet Shop. The pets sold here aren't your everyday variety and the Count prides himself on selling Love and Dreams in the form of magical creatures that come with an exclusive contract. But buyers beware. If the contract is broken the Count cannot be held accountable for whatever may happen. A fascinating and macabre look into the very soul of human nature.

From Impossibility:

Morisawa Kai and Sato Tatsuki are best friends. However, unlike Kai, Tatsuki is completely unreliable, lazy, and ill-tempered. One day Tatsuki takes Kai out driving in his new motocycle only to get into a bad accident that leaves Kai dead. However, Kai's spirit ends up in a body of a girl named Fujii Marika. After seeing how cold and unaffected Tatsuki as well as everyone else was after his death, Kai transfers to his previous school in which he starts noticing flaws to Tatsuki's cool mask...

The Continent of Song is in chaos. The sinister secret society known as Demon Card is using the power of Dark Bring to destroy everything in their path.

The only things capable of stopping Dark Bring are the Rave stones. Unfortunately, the Rave Stones were scattered around the globe in an explosion 50 years ago, so now they must be collected by the Rave Master in order to stop Dark Bring once and for all.

This new task has been given to Haru Glory, a sixteen year old boy from Garage Island.

The World's fate now rests on the new, young Rave Master.