There is a rumor going around about a CD called “Trigger” that can supposedly increase the intelligence of its listener. However, the CD has also been connected to several deaths and disappearances. Chitose’s best friend Hayato has also listened to that CD, and not long after, Hayato and his whole family suddenly disappears. Refusing to believe that Hayato is gone forever, Chitose becomes determined to find his best friend and reveal the truth behind the CD.

From: The Zero Alliance

Compilation of 6 stories with a realistic feeling to them:

Shiki no Zenjitsu
Two people spend the last day of their cohabitation together before she gets married.

Azusa Nigou de Saikai
A father visits his daughter when her mother isn't at home.

Monochrome no Kyoudai
Two twin brothers reunite for a drink after ten years.

Yume Miru Kakashi (1st part)
A man who left for the city ten years ago returns to his home town for his younger sister's wedding.

Yume Miru Kakashi (2nd part)
The returning brother reminisces about their childhood in the countryside.

Juugatsu no Hakoniwa
An unknown high-school girl moves in with a struggling writer.

Sorekara
A cat observes the actions of her mysterious and rude owner.

From Lovers Dream: A high school boy and a female student spend the night in a hotel after drinking a little too much... ... without being able to remember what may have happened between the two of them! Three months later, the female student comes back to the young man telling him she might be...pregnant...?!

A soccer loving boy Takasugi Kazuya dreams of playing soccer with his Japan League star father at the National Yoyogi Stadium. The story follows Kazuya's life as he travels to Argentina, plays for Yamaki, and goes to the 1998 World Cup in France.

From Tokyopop:
Ayumu Shiiba is studying for the all-important high school entrance exams. She is struggling to get by, but thankfully has help from her best friend Shii-chan, who is at the top of their class. Test results come back and their friendship falls apart when Ayumu surpasses Shii-chan’s scores and gets into her high school of choice while Shii-chan doesn’t! Losing Shii-chan is so painful for Ayumu that she starts cutting her wrists for comfort. Hoping for a fresh start, Ayumu arrives at her new high school and finally opens up to a new friend, Manami. But will Manami prove to be the friend that Ayumu truly needs or send her further in a downward spiral?

Note: Won the Kodansha Manga Award for shoujo in 2006.

Satomi Azusa is a popular teenage gravure idol. She's also a highly talented baseball player, but, as a girl, she can't play on her school's team. Her father happens to be the coach of the team, and he concocts a scheme to allow her to play. His scheme involves Hirayama Keita, Azusa's childhood friend, a teenager of no particular talent. Keita's redeeming feature is that he looks a lot like Azusa. In fact, after putting Keita in a wig and girl's clothes, not even their parents can tell the two of them apart. To help Azusa's (and her father's) dream come true, Keita agrees to trade places with her during the baseball games. Soon "Hirayama Keita" becomes a popular player, and "he" begins to move towards a career in pro baseball. How long can Keita and Azusa keep up the act? What will happen when people find out?

Volume 1 also contains My Sweet Sunday.

Je-hyung, who is left alone after his mother's death, quits school and starts to work. On his way home he meets a girl who doesn't seem to have any place to go and brings her to his house. She disappears the next morning, and three years later they meet again.

Bronte is running away from a failed wedding ceremony in the rain when she finds a cabin for shelter, occupied by a blood-soaked man with Gold eyes, who claims he just killed a man. His name is Mars West, and on impulse he kisses her, just as the police come to drag him away.

Five years later Bronte comes to New York to see Mars, who spent two years in prison for the murder it turns out he didn't commit. Then things get strange…

This is a soap opera of the highest order, with machinations and manipulations that only the very rich could get away with…

Based on Ann Major's novel, "Secret Child".

Fate/Zero takes place ten years before the events in Fate/Stay Night, detailing the Fourth Holy Grail War in Fuyuki City.

Sengawa's day job is as an accountant working for the police. But at night, he transforms into a ruthless assassin bringing death to anyone who deserves it. Those who have been wronged and whose grievances the police can't - or won't - listen to, turn to The Man With A Thousand Guns to avenge their suffering.

When he was younger, Takeshi promised to come to the aid of a "cute girl" in his calligraphy class that he had a crush on. Since then he has never strayed from Mako's side. Mako sees Takeshi as "cute as a stupid dog". Add in third wheel friend Honda, along with many other typical plots for a school romance and you have a story.

Always giving in to many little things, Yuzu transfers from a prestigious girls' school to a co-ed because of her family. Since the first day, she felt uncomfortable with the too open ethos of the school. While trying to fit in, she met a guy who she is irresistibly attracted to. He, Yuzu, and a puppy, form a map of love together.

From Midnight Scans:

A sweet love story that will melt your heart!
A gathering of the sweetest boyfriends.
“No matter where you are or the time of day, I will protect you.”

Story 1 Kodomo Jya, Naino (Yoshioka Ririko)
Story 2 Natsu ga Chikai (Kimura Ayako)
Story 3 HOLE - Kirameku Sekai (Takahashi Rie)
Story 4 BURNIN' VALENTINE (Higurashi Kinoko)
Story 5 Koizaki (Higuchi Megumi)
Story 6 Mame to Kurasu (Okinoko)

From Lovers Dream: It's about a girl who falls in love with her little brother. She thinks it's bad, but the two of them learn that they are not related by blood.

Soon after transferring to a new school, Mayu Kodabutsu recieves a love letter from a cute girl named Yuuko Hai... Expecting the envy of his classmates, Mayu is surprised to recieve condolences instead. You see, Yuuko Hai is no ordinary 5th grader... She's an exorcist. And Mayu is destined to experience her 100 terrifying ways.

From Chibi Manga: Plainful child. Akari is really attracted by the popular Unit of idols "Flower”. Then Akari get the chance to sing at the Flower's center?! But what is the secret that Flower keep…?!

1.8 Square Meter of Secret: A girl sneaks into her boyfriend's closet. During that time she overhears a conversation between her lover and her best friend. This makes her start to wonder.. Which one of them does she love more - her current lover or her best friend?

Innocent Fairytale:

Project X-mas:

My Beloved Goddess Rina:

From Wingtip Cafe: Ellen moves to a new house in the country side. There she meets a spunky green-haired elf and learns an alarming truth. She’s a half fairy! plus 3 side stories! • The Children of Planet A - Paula's father is a novelist. One day, she comes across a story that he had written long ago and took the words from the story into her life. Plus two other stories

Eru Yamada can't seem to get away from the supernatural. She's being stalked by a vampire. Her teacher is a werewolf, who also happens to think she belongs to him! As if that wasn't enough, yet another boy with supernatural powers shows up, trying to get her to fall for him, and she winds up with a rival in love who has dangerous powers as well!

A collection of cute short stories:

0x0 Memories
Due to an accident, Tsuda Rei has lost all of her memories. She can't remember her favorite foods, her parents, or even her childhood best friend, Ichi. Ichi drags Rei to the place where she lost her memories, but says he won't tell her anything. Then along comes the handsome upperclassman, Kujou Manabu, who tells Rei that is it okay if she doesn't remember anything...