The story follows a young man named Kazuya Shibuya who receives an anonymous email message out of the blue one day: "Won't you join the Savanna Game?" The message is an invitation to a state-sanctioned killing game — a deadly role-playing game designed to motivate the inhibited youth of modern Japan. Shibuya and his two friends Kotegawa and Kudou find themselves in bizarre battles that span the space-time continuum, with everything from dragons to the Shinsengumi force of the shogunate era.

Jun-Hyun and Na-Hyun are a brother-sister duo with an almost obsessive devotion to each other. Is it simply a case of forbidden love between siblings? Or is something more sinister at play?

People start getting abducted, and find themselves in an abandoned school building with monsters when they wake up. Out of the 13 people abducted, who will be able to make it out alive? What is the exact reason behind these abductions?

A young man experiences his first heartbreak.

Yuko's twin sister is a hikikomori. But, when Yuko tries to make her sister leave her room, she finds...?

Tsurara Takahashi is a middle school student who belongs to the Shinzen tennis club. However, she carries a great misfortune that she cannot confess to her friends: she met the mysterious Mahou Shoujo Site and was given a stick in the shape of an electric drill.

The young man named Li Qing, with his different disposition and strange mannerisms, deeply attracts Xiang Yang. From strangers that never once before crossed paths, become acquainted as close friends. In this unusual environment, these two experience together the things they never once experienced before.

A family takes part in a semi-annual feast.

At Hagakure Academy, there is Bunbu Ryoutou - a competition of Martial Prowess and Scholarship. Kaori Arimajiki is terrible at this competition, dubbed the "Academy's Weakest One." Kaori was bullied by his fellow classmate and considering quitting the school. Kiwako Soushuin, a beautiful yet eccentric girl who is also a member of the Student Council, went to his house and "convinced" Kaori to take a last shot at another Bunbu Ryoutou, should Kaori win "You will be on track to become this Academy's Strongest One," said Kiwako. What plan does Kiwako have in mind? What kind of situation Kaori will get himself into?

16-year-old Nanakusa is spending his mundane life on "Stairway Island" where he found himself "discarded" along with 2000 other people, all missing the memories of the time just before they arrived there. The name of the island originates from the long stairway running through the island and extending up to the summit of the mountain where the witch who rules the island is said to live. The only way to leave the island is by finding what was lost. Yet Nanakusa doesn't wish to leave this stagnant island. He enjoys his life there.

That is until Manabe Yuu, his childhood friend appears in front of him, and turns his new life upside-down. Why did Manabe Yuu, the world's most optimistic person, get discarded, and who is the witch behind all these mysterious occurrences? Follow Nanakusa and Manabe as they uncover the true nature of Stairway Island.

This is a oneshot from the 90′s Four Seasons Award Anthology.

In order to save her brother and nephew, who have been kidnapped by a mysterious religious group, Yukawa Juri and her family cast a spell using a stone hidden by her grandfather and enter a world of stopped time, also known as "Stasis." However, when they infiltrate the kidnappers' base, they meet other people who can also move freely within Stasis. With grotesque creatures lurking about that are seeking to destroy them all, can Juri and her loved ones escape this dangerous parallel world and return to their normal lives?

Note: Nominated for the 4th Manga Taishou Awards in 2011.

Magical Girl Raising Project (Mahou Shoujo Ikusei Keikaku) is a wildly popular social network game that allows a 1 in 10 000 chance for its players to become real magical girls, regardless of gender. Those who are chosen must then gather "magical candy" by helping people in order to rank at the top. While some see this as a chance to genuinely do good, the structure of the game is such that anyone can become a magical girl provided they "have the appropriate motivation." Soon, the players begin to discover that this motivation may be good or bad, and that when push comes to shove the ideal of a pure-hearted, all-loving magical girl gets thrown out the window as the darkness of the human heart begins to dominate the game.

Lusters, those who have the ability to embody their heart's true wishes into a power.

Because people were afraid of the possibility of the Lusters committing crimes, it was decided that death row inmates, Gundog, were to subdue the Lusters.

What will satisfy their hunger?

Now, standing in the jaws of death of desire!!

A sprouting murderous love story.

A collection of standalone stories written by both Furuya Usamaru and Otsuichi. The stories all revolve around the common troubles that teenagers go through, whether it be falling out with a friend, being bullied, or dieting.

Yagami Touma became a delinquent after distancing himself from his childhood friend, Fuyu Atsushi, who wants to reconnect with him. The reason is something Touma could never reveal, he's actually in love with Atsushi. He ends up confessing on a whim, but Atsushi's answer is...?

An anthology on women's issues in modern-day China, dealing with topics like abortion, unwanted pregnancy, the disillusionment that comes with growing up, etc.

The story of a young boy who decides to commit suicide, only to find himself in a strange world after his death, told in the form of a picture book.

The story starts with a mother committed suicide due to problems with her son, then she got revived and found out that her son actually doesn't hate her.After that, she got dragged to play deadly games with other people who committed suicide.