Thanks to her parents' incompetence, Taeko is sent to live with an acquaintance of her father. But when she rings the bell of her new home, she's greeted at the door by her new roommate, a completely and utterly shameless nudist named Masuda. Why exactly is he presenting himself in the buff to an innocent high-school girl...? Of course, their shocking first meeting sends Taeko's 17-year-strong values tumbling to the ground! "Is he for real?!" "Am I going nuts?!" It's too late for tears, so Don't Cry, Girl - a hilarious teen comedy ♪!

Source: Jmanga

It also includes a second story called 3322. (Unscanlated)

Nominated for the 4th Manga Taisho in 2011.

Continues where Tantei Gakuen Q ended two years later. They are still in Dan Detective School solving cases.

From Yuri Project: Fashionable Yuzu imagined the first day at her new school she transferred to after her mother’s remarriage a bit differently; she didn’t know it’d be an ultra-strict and conservative girls’ school. So instead of a sweet high-school romance, she butts heads with the stern student council president Mei – who turns out to be her new step sister. And she has to learn that hate and love are often not that far apart.

Math teacher mamiya nagisa is teased by his horny students at an all boys high school on a daily basis. One day genius high school student, sakura minato, transfers from America. Minato jumps in to save nagisa who is teased by the students, but is told, "i want to sleep with you." When he asks senior teacher tsukioka for advice, he is attacked by him. What will become of nagisa's purity?

With their parent's approval, Makoto has started living with two good-looking brothers.
The older brother, Souta, just feels like they're burdened with Makoto.
But Makoto can't help but be interested in Souta...
Living together under one roof, a parent-approved love begins.
There is a lot of flirting every day!!

Following the untimely passing of his childhood friend and his little sister, Io Haruomi is constantly haunted by their deaths, forever feeling powerless and unable to escape the guilt he feels for letting them die. Despite this, he continues to press forward, attempting to enjoy an ordinary life. He goes to high school, hangs out with his friends, and generally passes himself off as a normal 2nd-year high school student.

One day, however, Haruomi encounters an "Eda", a girl with glowing red eyes and demonic powers. Amidst her escape from the "Seven Great Gospel Organizations", she reveals that he too is an Eda, and the powerlessness he feels is completely unfounded. Before he knows it, Io Haruomi is thrown into the middle of a battle between man and devil.

And as his eyes too begin to glow red, the side he is on is no longer so clear.

Beautiful appearance, beautiful food, beautiful legs, beautiful voice, beautiful skills...
Which beautiful boy is your type...?!

The trouble that arises at Private Yubiwa Academy is rumored to be resolved informally, secretively and for free, by the mysterious "Pretty Boy Detectives."
In order to search for "a star she saw 10 years ago", second year Mayumi Doujima opens the door of mystery to the 5 beautiful boys!

From MoonFlower Scans:

This is the story of Sakaki Yuuto, a 17-year-old highschooler who ends up with an unusual job: breaking up relationships by making girls fall in love with him. Unfortunately, in spite of his good looks, he is useless when it comes to women. While his younger brother chases the males and his older brother guides them from behind the scenes, will he be able to successfully play his part and charm the target? And most importantly, will he be able to obey the number one rule of the 'Breakup House', to never fall in love with the target?

This is the bitter story of Meng and his unsuccessful love life. He obviously wants to fall in love but it almost always doesn't go as planned.

In the era of the gods, year 300. Yuuna Yuuki lives an ordinary life as a second year middle school student, but she's also a member of the "Hero Club," where club activities involve dealing with a mysterious being called "Vertex."

- ANN

This is a short story about two high school guys and value of their friendship. It's a commonly used plot setting which generally has a nice impact.

"If I touch you, I can hear your thoughts."

This is the supernatural ability of transfer student Satori Osanaga, but to her, it's more of a curse than a blessing. Because of this power, her deepest desire is to avoid being touched by anyone. Unfortunately, while praying to be left alone at a local shrine, her hopes are quickly dashed; noticing her standing exposed in the rain as he is passing by, classmate Sou Izumisawa hands her an umbrella to take shelter in.

At school, Satori's strange attire and personality quickly ostracizes her from the rest of her classmates, but despite that, Sou treats her kindly, and she quickly falls in love with him. However, this has a devastating consequence for Sou, for Satori's painful power manifests within him. While listening to the inner voices of passersby becomes draining, the most painful thought he hears is that of his crush Mio Yuikawa, whom he discovers is in love with his close friend Takumi Shirase.

Distraught by this discovery, he quickly despairs at being forced to see the hearts of others. In this moment, Satori reveals the origins of the curse to Sou and proposes a solution: if he can cause her to stop loving him, he would lose his power. But to meet that end, he must get Mio to reciprocate his feelings.

After Kaname jokingly called out to his teacher Natori about him ogling male student, Natori was so shaken up he couldn't teach properly. Later when Kaname was called into Natori's office, Kaname confessed that he himself is gay and that Natori doesn't need to worry about rumors. Even though Kaname has no intention to blackmail Natori, he decidet that he'll spend his time teasing Natori.

Her whole life, Hikari Hanazono has been consumed with the desire to win against her school rival, Kei Takishima--at anything. He always comes out on top no matter what he does, and Hikari is determined to do whatever it takes to beat this guy!

At age 6 Hikari lost to Kei in an impromptu wrestling match. Now, at 15, Hikari joins "Special A," a group of the top seven students at a private academy, for the opportunity to trounce the guy who made her suffer her first defeat. However, Kei's feelings towards Hikari are different.

Included are the following unrelated short stories:
V.1 - Mikansei Chorus
V. 11 - Shoku no Miyako

Its about a boy that one day, wakes up as a big breasted woman. S/he has to deal with a pervert friend, new clothes and a mother that prefers him as a girl.

High school student Xiao Xiang An is experiencing life in the big city for the first time while she is staying with her distant relatives. At the behest of her relative's friends, she ends up disguising herself and sneaking into a bar with them where she runs into a handsome and charming employee. The following day she goes back to her regular appearance only to have a very different encounter, meeting a guy who is nothing but rude and hateful! It's one of the top 10 of the best manhua.

Nenji, touch me again! High-schooler, Taira has got a one-sided crush on his buddy, Nenji. One day, Taira invites Nenji over to his place to watch some of his older brother's porn collection, but in the heat of it all, they get turned on and things progress.