Minato is a total loser. He's failed to make it into college twice, he's unpopular with women, and he's unemployed. He seems like the classic-useless-shounen-harem-male-lead...
In truth, however he's actually an Ashikabi--one of a mysterious set of "masters" in an awesome battle royale between hordes of cute girls called "Sekirei."
Since this is an ecchi manga, with their attacks they often happen to... you guessed it--ripping each others' clothes off! Looks like his luck's taken a turn for the better.

I applied here since it's a close walk from my house. But it's really full of girls, huh? In this 4-koma series Tsuda Takatoshi is a new student in the recently gender-integrated high school. He's asked to join the student council as the vice president. Thus begins his days as the only normal boy among 3 female student council officers...

Nozomu Itoshiki is depressed. Very depressed.
He’s certifiably suicidal, but he’s also the beloved schoolteacher of a class of unique students, each charming in her own way: The stalker. The shut-in. The obsessive-compulsive. The girl who comes to class every day with strange bruises. And Kafuka, the most optimistic girl in the world, who knows that every cloud has a silver lining. For all of them, it’s a special time, when the right teacher can have a lasting positive effect on their lives. But is that teacher Itoshiki, a.k.a. Zetsubou-sensei, who just wants to find the perfect place to die?

Note: Won the 31st Kodansha Manga Award in the Shounen category in 2007 (shared with Dear Boys - Act II).

From Twisted Mist Scans:

A total of 5 one shots:

1) Ore no Suki na Ko ga Burakon Sugiru!!
Okano Shuu has a crush on Ogata Saeka for 10 years, who has a brother complex. She is always sticking closely with her brother, Ogata Eiji. And this trio are childhood friends. Shuu tries to make Saeka realize him.

2) Amakute Okashi na Sugar Love
Yuko loves wagashi (some type of sweet), and a popular boy at her school, Tsugumi, which happens to be a wagashi maker! Ever since her discovery, she has been a regular at his shop to have her beloved wagashi and to see Tsugumi. However, it seems that his shop has suddenly gained popularity, making Yuko jealous...

3) Chouko to Ippon Shoubu na no da!

The story centers around Yuna and Akari who have two very different views of love: Yuna is someone who sees love as a dream and Akari is someone who is very realistic about her romance choices. Meanwhile, there are two boys, Kazuomi and Rio, who also have different views of love: Kazuomi’s an airhead and doesn't understand the concept of love while Rio grabs the opportunity when confessed to as long as the girl looks cute.

http://betsuma.shueisha.co.jp/furifura/

Newman and Gwen are professional monster hunters who work for the Creature Removal Department, but for these two, killing monsters is the easy part, it's navigating their relationship that gets complicated. Set in a modern fantasy world, Newman is a mix of comedy, action, romance, and a little bit of horror.

Follow the life of cat-girl Kurona and her friends as they meet other monsters, demons and spirits - learning how to deal with them...and with humans!

From Yen Press:
Yuki Nagato, the shy president of the literature club, has never been very sure of herself around other people. But around Kyon, the only boy in the tiny, three-person club, Yuki finds herself faltering even more than usual. For Kyon, and for her precious club, Yuki must find her confidence and let her true personality shine! Enjoy taking a fresh look at your favorite characters in this brand-new story set in the world of The Disappearance of Haruhi Suzumiya.

Because of her family's poverty Yata, a high school student, was searching for a really cheap lodging. And she found it in a certain shared-house type apartment.
Each of the residents of which happened to be, surprise-surprise, some kind of demon (with big mammaries also)! And so the story of a bit lewd, sometimes bizarre and often noisy cohabitation of Yata and others at human world, receiving those big-breasted demon-girls trying to fit in, is getting started!..

Nokia is a young adult, living on a space station New Rauma. Nokia has just gotten their immortality and the best use they can come up with it is to browse the old internet all day long without eating or sleeping and not having to worry about dying of hunger. After three weeks of old internet Nokia's parents decide they've had enough.

A hero who fights countless mythical creatures. A story of SPOON's remarkable efficiency!

Strange things are happening all over town, and Amano Kouichi's having nightmares again. Several clans are spurred into action as the past gradually resurfaces, while Kouchi and his obsessively devoted younger brother Jun keep having inexplicable encounters that those around them seem to know more about than they're letting on.

What, exactly, is being set into motion, and how do the Amano brothers fit into the picture?

From Storm in Heaven and one of their legacy groups, Bamboo Feathers:

Year 2022 A.D. At a time when anyone can travel around the world, there are more crimes occurring than ever. To protect the country from political terrorist attacks, a new Security System Garrison was created 8 years ago. To destroy this organization, terrorists have started aiming at the leaders of the Garrison, the Instructors.

Seven Instructors have already died in the line of duty, and to avoid another death, the 8th Instructor, Ishikawa Haruka, was given an assistant who would also act as his bodyguard. Iwase Motohisa, previously the Prime Minister's SP, falls in love at first sight with Ishikawa during a chance meeting, and then asks to be assigned as Ishikawa's assistant.

Every Friday, forbidden tales will be revealed.

In the Eniro Cinderella series:

Be my woman and I'll let you become a top singer! This is the speech made by famous music producer Yukihito Yoshizawa .Coincidentally, a female high-school student who wants to save her weak and sickly brother accept his terms by offering her voice and body. A passionate yet twisted entertainment love story thus begins!

Taira Capeta was a 4th grader boy. He had lost his mother when he had been very little. Although he pretended to be tough in front of his father, actually he felt lonely. One day, his father brought junk parts home from his workplace and made a racing kart. Soon, they went to a circuit to drive the kart. However, Capeta found that its frame was bent and it could hardly run straight. But, with his technique he managed the kart. Furthermore, he followed soon after the fast kart and he could nearly leave it behind. The driver in the kart was Minamoto Naomi, the champion of the East Japan Junior Kart. Looking at their chase, Naomi´s mother, Minamoto Nanako, advised Capeta to take part in the official race.

Note: Won the Kodansha Manga Award for shounen in 2005.

Takahara Jin is a former delinquent in a biker gang. Every day from the day of his entrance ceremony in high school various problems occur that can make him be expelled but from these problems, the power of his arm is noticed and in exchange for not being expelled he must join the baseball club. This series follows Jin as he looks away from his past and gives baseball his all.

A collection of one-shot tributes to Akagi compiled for Akagi's 20th Anniversary. 36 Different Manga artists come together to pay tribute to a very long-running manga series!

Kyoubei Kurokawa, a university student, is aimless in life and has run away from his home to live alone but has nowhere to sleep. One day, his life is saved by Asumi Nanjou, a mysterious girl from the same university who takes him to her apartment to treat his injuries. After hearing of his situation, Nanjou decides to let him live in her home but under one condition: he will be an invisible man. He later discovers why: she will completely ignore his existence. Meet Kurokawa and discover the advantages (and disadvantages) of being an invisible man and unraveling the mysteries behind Asumi Nanjou.

This is a spin off story that occurs about three years before Spiral. One of the main characters is Imari, who is in love with the kid who wants to be a detective, and which also quit school running after Kiyotaka, and it seems he's dating a murderer without knowing it...? But how is it all connected to the blade children? Not long after, our favorite blade children from Spiral appear for the rescue, all manipulated by Kiyotaka.