The card reads as follows:
Congratulations! You are one of the 1 in 100,000 people who has been entered in the amazing LIAR GAME TOURNAMENT!

Along with the postcard there is 100 million yen in notes. That's the beginning of the Liar Game. When the game ends, in 30 days, you will have to return your 100 million. If your opponent steals them, he can keep them as a prize, and you will have a debt of 100 million...

From ShoujoMagic: Story 1: The Indigo-Blue Queen ~The Stage Actress Murder Case~ Riko adores the talented stage actress Katzuki Ichie, who is best known for her performance as "The Indigo-blue Queen," a noble woman who is poisoned. However, Ichie is worth more to some people dead than alive, and she's been receiving anonymous death threats. When the curtain falls on the final show of "The Indigo-blue Queen," Ichie dies as the cryptic threats foretold, and everyone -- including Riko -- is suspect...!? Story 2: Private Room Shouko and Aiko Kuramochi are sisters who live alone with their father. Their father gets hospitalized and falls in love with a beautiful doctor... Afterwards the doctor moves in with her beautiful son... Inspite of his beauty Yuki is cold and without emotion...

One day, Toto—a 19-year-old virgin, obsessed with girls' breasts—found lying a naked, pretty girl (perfect breasts included), but who was completely without emotions. She learned to call Toto "master" and Toto named her "Kuu."

Kuu has a golem, which protects her from Toto's... advances. It also appears that Kuu has enemies who are after her for some reason.

Will Toto and Kuu make it in this romantic love comedy with a slight mystery? (Perfect breasts included.)

From MangaHelpers: Puzzle fanatic Daimon Kaito has been crazy about solving brain teasers, puzzles and riddles his entire life. He attends the prestigious Root Academy with Nonoha, but spends most of his time creating and solving puzzles. Kaito is one of the few genius teenagers that attend the school who has been given the title Einstein, along with his other just as brilliant classmates who were given the titles Galileo, Edison and Da Vinci. Together, they attempt to solve a puzzle that, since its creation centuries ago, has never been solved. But the genius students soon realize that there are dangerous forces behind the impossible puzzle. [vyc]

In a parallel world where the strongest of the non-diary holders "Akise Aru" takes the place of Yukiteru (the protagonist from Mirai Nikki) for a few days, what will happen?

Fujieda Memori works his butt off every day as a 'charming and competent' bodyguard for his brother's company. One day, a guy called Yuuki Shin appears, claiming to be interested in becoming a bodyguard. To test his ability, Memori has to work together with him. Memori was about to trust Yuuki, but then he discovers Yuuki's real identity...!?

Iruka Sumoto wishes to surpass Birou Akutaya, a detective prodigy. A disappearance case catches the attention of Iruka and drags in Birou.

Miharu hasn't been having a good year. Her mother died, leaving her only a single ring to remember her by, and her father went bankrupt – leaving her with all his debts! Though she intended to sell the ring to pay off her debts, a run-in with a hot boy and a brush with alchemy leave her unable to part with it... literally!
*Series doesn't have solid ending as far as it is known.

From Yen Press

Soon after his birth as a Nobody, Roxas joins the mysterious Organization XIII, knowing nothing of his identity. With the help of Axel, another member of the Organization, and the mysterious No. 14, who is also missing her memories, Roxas slowly begins to learn what it takes to be a part of Organization XIII…and what it means to have a heart.

From Forbidden Garden:
Chaos and mayhem is afflicting Yoshida Akari's school. There is a ruthless bloomer thief on the loose-and no one is safe!
But on a more serious note, Yoshida Akari's best friend, Hayakawa Maiko has been missing for 3 days now, and it seems as though no one is making any head in the investigation. So, Akari decides to take things in her own hands and questions the last person who was with her best friend, Student Council President Morishita Natsu. He quickly gives her the brush off stating that he is too busy with the bloomer incident.
Who is this mystery thief and just what exactly has happened to Maiko?

The Norse god of mischief Loki has been banished to the human world in the body of a young boy. In order to redeem himself, he sets up a detective agency and dispels the evil residing in people's hearts. He is joined by Mayura, a spiritually clueless high school girl with a passion for mysteries, and eventually, other Norse gods begin appearing around Loki for unknown reasons.

From Project Bite Me! Scanlations:

The creator of Baoh and Jojo's Bizarre Adventure presents a manga about magic and mysteries! You'll meet him at 13:13 pm, on Friday the 13th. He'll do an uncanny intro where he plays a trick on you! And wherever he goes, trouble seems to always follow. Who is this person who creates such incidents? None other than Cool Shock BT!

From Tokyopop: Nanaki survives a car accident to discover he is psychic. Recruited into an organization that solves cases with psychic powers, Nanaki's average life quickly turns into one of adventure and intrigue. Slacker Nanaki Shunsuke's life is turned upside down when he's hit by a bank robber's car and later meets a strange boy who claims that the accident caused Nanaki to develop psychic powers and that he is required to join LOCK, a paranormal investigations agency or be the suspect of any and every suspicious case that turns up. (thought a summary and categories were need since there weren't any :P If your into Shonen it's a good read :P Sirenic Griffin){Corrections by Silvermagic}

A mysterious command arrives from a "King".
The life-threatening "Game" has now begun for the 32 students of the first year's B Class.
One day, all of the students in Nobuaki's class received their first message from someone calling themselves the "King", in which was written a baffling command.
That first command was very easy. However, the commands began to escalate until a life-threatening game had begun.
Failing to obey the orders leads to death!! Their friendships are being undermined by a bottomless terror!!

From Tokyopop:
A smoke-filled alley in Chinatown harbors Count D's Pet Shop. The pets sold here aren't your everyday variety and the Count prides himself on selling Love and Dreams in the form of magical creatures that come with an exclusive contract. But buyers beware. If the contract is broken the Count cannot be held accountable for whatever may happen. A fascinating and macabre look into the very soul of human nature.

Tsutsumu Shisui is brought up by his grandfather, Dr. Yuujirou after his father, Dr. Hiromu died. But now Yuujirou also died with a lot of debt. At Yuujirou's funeral, Tsutsumu's cousin, Sou Takigawa suddenly appears and declares that he wants to take care of Tsutsumu.

Two years ago, the famous detective Narumi Kiyotaka disappeared, leaving behind only the words, "I am pursuing the mystery of the Blade Children." Now, his younger brother Ayumu is accused of murdering a fellow student, and begins to discover people with connections to the Blade Children all around him. The Blade Children were born cursed, and Ayumu may be the only key to saving them, but first they want to test him, by trying to kill him with everything they've got. All the while, it seems that Kiyotaka is manipulating events for his own unknown purposes. - From AnimeNewsNetwork Ongoing

Meet Pamela, a tarot card reader who helps supernatural beings living in the human world. She'll help anyone, whether they're a love-stricken cat, a vampire spending eternal life running from his one true love, an unattractive waitress looking for the man of her dreams, or even a magician who creates a humanoid doll to serve the woman he loves. Although Pamela is good-natured, there is a deep dark secret that she must deal with before she can move on to the next life.

Tori Ichihashi, a 10th grade student, has a strong sense of justice, and hates bad guys. Every night, burglars hover around the school that Tori attends. Tori can't let it go unchallenged.

Included are the following stories:

- "First Step"
- "The Wish Under Blooming Sakura Trees"