From In.Difference:

Kazuka is your average high school girl with the exception of having an irregular and calm personality. She wakes up one morning slightly later than usual to find a red thread attached to her finger…

And for her, it isn’t “who” is at the other end, but “what” should she do about it…

Hiroshi and Takuya have been childhood friends forever. When Takuya asks Hiroshi to be more than friends, will their friendship be able to withstand? Or have they always been soul mates?

Komatsuzaki Ran is not a normal girl. Raised by wolves, psychic powers, the ability to turn into Akai Kiba (The Red Fang)...and a lot of people after her.

The Akei sisters are a happy go lucky sort of family and their lives are always filled with fun. The eldest, Hotaru, is a college student who is ditsy and is always in her own little world. The middle child, Hikari, is in junior high and her high energy keeps the family together. The youngest, Akari, is only in elementary school but she is the most mature one and is the voice of reason. The Akei family moves into a large condo complex where we see their simple and comedic lives.

From Aerandria Scans:

I suddenly lost my parents. Without a single relative, I must return to my father's birthplace, a village, where I can finish school. But I still cannot recover from the sadness. I am lost in doubts and insecurity. And then, on a mountain road, among the lush greenery, who do I chance to meet..?

Ari is a brand new first-year high school student. Shortly before school starts, she sees a band holding a mini outdoor concert. She is struck by how great the music is. That band, Sunnyside, is currently the hottest indie group. AND, the really cute lead singer, Youta-kun, is a student at Ari’s new school! Even better, he is in her grade, and they will be in the same class! However, Youta-kun is really popular with the girls, and he happily lets them hang all over him, like he's dating them all! Youta-kun becomes really interested in Ari’s piano playing and makes an instant decision - Ari must be Sunnyside’s new keyboardist!

Takeru’s mother is about to remarry. That is a great opportunity for Takeru to live with a real family and, most of all, to have a big brother, Shin. Things do not actually turn out the way he expected, though. One day, while waiting for his girlfriend, Takeru hears a couple of people discussing about money for sexual favours. Curious, he turns around to check out the chick, but it turns that both parties are male. However, what shocks Takeru more is when he realizes that the one prostituting himself is Shin, his new stepbrother… First volume extra : Shounen S. There's also a book of various doujinshi called Renai Junkie. The fifth story is a spinoff of Aitsu to Ore called Newly-Wed

Kaduki Haruto runs away from his Old Japanese Court Music family, after he discovered that he likes modern music. His family is opposed to him being involved with anything but traditional music. Amamiya Keigo finds Kaduki singing in front of his apartment building. Kaduki collapses and Amamiya takes him to his apartment and cares for Kaduki, as though Kaduki were a stray cat. Kaduki begs to be allowed to stay and work for Amamiya. Amamiya agrees. What happens next?

From Kirei Cake:

Aisupe @ is a love comedy story based on the online game “ai sp@ce” that features various well-known heroines from popular games and shows such as D.C. II, CLANNAD, and SHUFFLE!

1-3) Whisper's of Summer
Student council president Takamura Misugu calls his chilhood friend Manaka Shuwaji out from his classroom everytime... just for "that"!! Though everytime Shuwaji tries to defend with all his might, but in the end would always go Mitsugu's way! But one day, the vice president gave Shuwaji a stack of photos, which are of Mitsugu and his H moments...!

4) Waiting for You from a Far
Student council vice president Takeda (introduced in the first story) and Shibazaki, the young school doctor, are having an affair. Shibazaki knows Takeda is about to graduate and will probably leave him behind and go on with his life, so Shibazaki decides to break up with Takeda before that happens...

5) Dark Night Flower
A doctor treats a sickly young boy who lives in a creepy old house. The boy's father recently passed away but it seems his spirit is not quite gone yet? The doctor is determined to help.

6) The ad-lib sex a senior student who is excited by porno video of cat-ear and his junior student.

7) Before wedding, hero's friend at school confesses "his love after 7 year" to hero.

Here we get to follow a story about Sawaragi-san from Takaga Koi daro after his jail time.

Having been sentenced to 5 years in prison for dealing drugs, yakuza Kyousuke Sawaragi just wants to finish his sentence and start a nice normal life far away from his past. So after parole, when he literally runs into former cellmate Shuuya, he's in no hurry to renew their acquaintance. Fate seems to have other ideas though, having the yakuza and Shuuya repeatedly cross paths with him. Can he really turn his back on all of it, especially if it holds out his one chance at finding true love? It's exciting romance as only the famed Saki Aida (S) can write it and Yugi Yamada (Close the Last Door) can draw it!

The story continues in the novel Hanabira Yuki (花片雪).

College student Haneji Kaoru is surprised when popular actor Aragaki Jin appears in his workplace. They were high school friends, but unable to cope with his deepening feelings for the playboy, Haneji cut all ties after graduation. But now that Aragaki has found him, he has no intention of letting Haneji go...

"Aishite Knight" is set in Osaka, and tells the story of Yaeko "Yakko" Mitamura, an 18 year old girl working in her father's Okonomiyaki restaurant. One day Yakko casually meets a little boy, Hashizo, and his odd cat Juliano. Hashizo has lost both parents when still a baby and has been brought up by his elder brother. Hashizo's brother Go Kato is the lead singer of the emerging rock band "Bee Hive". When Yakko meets Go and his friend and "Bee Hive" member Satomi Okawa an unexpected series of events unfolds.

1-3) Seventeen year old Ringo Kinoshita falls in love at first sight with student teacher Yashachi Kai but where are the rose colored days of his first love? Unrequited love is bad enough but it seems like Kai-sensei can't stand him at all. With a prank gone wrong and a series of misunderstandings just how will these two come together or will they just be driven further apart?

4) Happy game: A boss and his subordinates peculiar love.

5) Break you: A selfish young master is going to have an arranged marriage, but he's in love with his caretaker.

6) Love is good: Shiba always gets turned town by girls because they prefer his friend Kitaro. But Kitaro's preferences are...?

1) Yurusarenai Otoko

2) Aishiatteru Futari

3) Seigi no Mikata no Koi no Yukue (Love & Battle)
Seigo, who grew up in a village, moved to Tokyo to find a job and to fight crime (apparently he has some strange superpowers), since not much happens in his village. One day his childhood friend Touma visits him and challenges him to remind him of his mission. At least that's Touma's claim...

4) Kanoko's Story

Note: Chapters 1-3 are shounen ai stories while chapter 4 is shoujo.

1-3, 6) Aishi no Sweet Voice
A young boy who has always hated his girlish voice meets a striking man with a captivating voice. They try to figure out their feelings while striving to realize their dreams in theater.

4-5) An Unopened Door called Honey Moon
Takahara is a rich heir, popular guy that many girls desire, but for Satori, who raised him, Is just big spoiled brat. Could Takahara ever win Satori's heart?

It's while he was waiting for a girl in the street that Aikawa-san ran into a sweet-looking boy named Okakaneko Toshinori called Neko for short. The young man just got injured while saving a cat and he asked Aikawa-san to bring him to the hospital, leaving pretty much everything to the man's care. Three days later, Toshinori calls him and asks for his help again...

Reimi is your poor middle school girl who yearned to meet a rich guy and marry off rich. Meet Airin, a strange girl who so happens to be rich, but doesn't even look or act like it! Watch as Reimi and Airin turn each other's world upside down! Welcome to a world filled with cuteness, craziness, and comedy!

James Block is a former sports star whose criminal endeavors landed him in jail. In prison he meets "Dr. F", a strange old man who tells James about a beam that can turn living things invisible.

After escaping from prison, James finds and uses the laser on himself. But, because the beam has not been perfected yet, it only rendered his skin invisible, leaving his insides visible to the outside. Angered at his disfigurement, James takes the name "Alabaster" and begins eliminating the hypocrites and the boastful. He is joined by Ami Ozawa, the granddaughter of "Doctor F", who was rendered invisible after the doctor used his pregnant daughter as an "F Beam" test subject.

On their trail is Rock, a vicious FBI agent.

From Viz:
What does it take to find your true inner self? Zen's memory has been wiped, and he can't remember if he's a killer or a hero. And a lot of people will do anything they can to keep it that way.