The plot revolves around an intranet-based online game (D.P. = Danger Planet) which is played using a V.P. (Virtual Puppet). VP is literally an avatar which a person uses in the game. However, unlike avatars (characters) from current online games, a VP is allowed to be modified (modded) by a person if he or she has sufficient programming skills.

Kilio Nimra, a normal high schooler who likes games. He and his friend Kurata always plays Danger Planet after school, one day they meet a very tough opponent.

From Tokyopop:
The discovery of an alien organic vessel submerged in the ocean reveals a plot to unleash planetary destruction... a collective of evil scientists called the Reclaimers works to hasten mankind's extinction. As one of Earth's defenders, Hime Utsumiya fights on a team of mecha called Brain Powereds to combat them. Unfortunately, the Reclaimers also have these mecha, and mankind's fate hangs in the balance.

In recent years, more and more girls are experiencing the development of "tertiary sexual characteristics" during the later years of their puberty -- that is, the rapid masculinization of a certain part of their external genitalia. Ooi Haruka is one such girl, who has until now kept the changes in her body a secret from everyone but her family. However, after an embarassing incident involving the guy she's been crushing on in a crowded train, she wakes up to discover herself at school, surrounded by a group of students calling themselves the "Bra Girls (Swing Girls)." And they know her secret!?

Boys Be... (ボーイズ・ビー Bōizu Bī) is a manga created and written by Masahiro Itabashi and illustrated by Hiroyuki Tamakoshi. Three different Boys Be... manga series were serialized by Kodansha in Shukan Shōnen Magazine. In 2009 Kodansha announced a fourth series, Boys Be... Next Season, starting in the November 2009 issue of Magazine Special.

From Tokyopop:

An anthology of stories about ordinary high school guys and their relationships...or lack thereof. Boys Be...takes a look at the trials of love and loss from a refreshing point of view and often adds interesting insight into what a relationship is like from an average guys point of view!

A collection of six short stories:

1. Blue Moon Lovers
Blue moon... a phenomenon so rare, it's almost a miracle... Without thinking, Yuri tells the super cool bartender Rukia that she's fallen for him at first sight. Rukia rejects Yuri outright, but that's not enough to make her give up...
- From Sunny Side Up Blog

2. Karefechi

3. Koi Shoku Neiru

4. Kodou ni Kiss shite

5. Ikenai Kareshi

6. Boyish na Kanojo
Ayame, a popular idol who looks like an Ikemen but is actually female, has to claim she has no lover. In actuality however, she is going out with a regular guy, Nanase. But keeping both her idol status and love life in harmony may be harder then she expected...
- From Intercross

From ]Nagareboshi Manga:

Hijiki (a girl with an unusual name) has just entered a new school, and on the way there she encounters a mysterious boy alongside a beautiful lake. Hijiki has some secrets of her own, and will this boy be able to listen to her silent pleas for help...?

From Storm in Heaven:
Takatou Masaki is the second youngest of four sons, and seemingly a delinquent by nature. His hot temper has put a wedge between himself and his strict father, gotten him kicked out of one school, and tossed him at a school notoriously horrible for the one thing he's truly good at, basketball. A chance encounter with the willful Yuuki Kanako may serve as a catalyst for change, as the indefinable connection she feels with him draws them together.

Note: Won the Shogakukan Manga Award in 1988.

From Anime-tion Scanlation:

At age 17, Nana still doesn't have a boyfriend. One day, she went to the beach and met with a cool guy. They exchanged numbers and texted but the cool guy turns out to be her younger brother's friend who's 5 years younger?!

N/A

From Attractive Fascinante:

As an elite Moral Order Committee President, Sakaguchi Chiaki, never told anyone about his secret. However, only Mizoguchi, one of the members, understood him. Sakaguchi's uncertainty stepped in before their term ended. Where is the borderline between friends and lovers? When their bodies touched, that borderline fused together with their feelings. When they met again later, would the borderline still exist?

From Shoujo Manga Maniac: Kojima Mitsu (aka Honey) is in high school, but she's so small that she looks like she's in elementary school! One day while she is is changing into a maid uniform for a school event (with not much success...the uniform is too big for her), she find a little bat blocked by the window and helps it. Suddenly an awesome guy appears in front of her! He is a vampire and as thanks for saving his "toy," he helps turn her into an adult (with a kiss)...

From NetComics:
Shinhye loves lying under the night sky with her father, listening to his tales of the constellations. And she dreams of a life among the stars. Little does she know that the stars may come down to her instead. Her journey begins when the department of science asks her family to host Sarah, a foreign girl with a unique talent. But, strange men are interested in Sarah and Shinhye doesn't know why. Unbeknownst to Shinhye, her every dream--and nightmare--is about to come true.

English Web Publication

Based on Makoto Shinkai's film, Byousoku 5 Centimeter follows the life of Tohno Takaki, Shinozaki Akari, and Sumida Kanae. The manga follows the three and their different view points as they chronicle their way through life.

A collection of oneshots. Bye-Bye, Little: Ai is a first year high school student whose father passed away when she was still in elementary school. Her immature younger brother is a pain, she has to do all the housework and it's awkward being around her own friends. But Takahashi-kun is secretly supporting her in the shadows... a story about growing up. Love, Stupid, Me: Chie wishes that her boyfriend Satoshi would show her more affection, but she knows he doesn't like the clingy type. The fact that she's hated by Satoshi's friend Sugiyama Sei doesn't help. However, it turns out that he doesn't hate her after all... Doki Doki Miyuki's in love with Shuntaro, but she won't confess because she's afraid of ruining their relationship. But when another girl confesses to Shuntaro, something begins to change... Too Young: Mika's mom doesn't approve of her relationship with Yoshiyuki, her boyfriend. In fact, she doesn't approve of anything she does, whether it be losing piano contests or getting Bs on her tests. How far will she go to protect their love?

Zhong Xiaoyin's (little seal) mother is seriously ill. To save her, her daughter needs a fortune she does not have. Luckily Lan Dongcheng (winter morning), the young and rich hospital director, offers her a mean to earn the necessary money. Why would he do that? Does he have an ulterior motive? And could it have something to do with the butterfly tattoo on her ankle? It looks a lot like the one embroidered on Dongcheng's handchief… Love and betrayal are waiting to be discovered in this new Chinese saga!

From Ochibichan.
Oukawa Nabiki is an energetic and cheerful girl who dreams to become a stuffed toy maker. Ever since she joined Kousei High’s Crafting Club, with Fukamachi Itsuru, a boy who dreams to become a silverwork designer, both of them work hard together to become professionals! But due to the fact that Nabiki has to attend extra lessons, she’s not allowed to do any club activity for a week?!

1-3) Bunbetsu to Takan
Aya has a great boyfriend Kento who treasures her a lot. But she is also attracted to Kento's older brother, who has a twisted personality. How come she can't stay away from him and she goes so far to cheat on her boyfriend? Will Aya's sense prevails over her sensibility?
From Jshoujo

2) Delusional Diary
Ui fell in love with the wrong guy. Jiro is popular and handsome, and agreed to date her, but he insists that their relationship should remain a secret. Ui starts to feel more uncomfortable about her love situation and her trust in Jiro is weakened by his cold attitude towards her. Is Jiro cheating on her or does he just have a very weird way of expressing his love?
From Evil Flowers

3) The Little Mermaid who Became a Witch
Everyone knows the story of the little mermaid who fell in love with the prince and exchanged her voice for a pair of feet. Did anyone wonder about the witch’s story and why was she so bitter towards the young mermaid? An interesting twist of the classic “The little mermaid”, this time, from the witch’s point of view.
From Evil Flowers

from -dokidoki- :
Ichirou's best friend Naoto's noticed that he's been acting a bit unusual since summer vacation. With a bit of best-friend solidarity, Naoto squeezes out the tale of Ichirou's secret summer fling: a sexual encounter with a mysterious stranger fleeing from a rainstorm. Naoto is, naturally, scandalized, but not half as scandalized when he and Ichirou run into the summer fling again at a school festival...

As if a guy falling in love with another guy wasn't complicated enough! How about when that boy's already got another guy after him? Throw a live-in cousin with an aggressive crush and the world's cutest lovestruck best friend into the mix and the situation gets rather convoluted, even by Koide-standards.

From Fantasyshrine:

Under the cover of the night
In the silent harbor
Two lovers, lips sealed on each other, reunited after two long years…
True love never dies…