A collection of oneshots:

Volume 1: BLACK CITY

1. Black City - Weekly Shounen Jump Zoukan: Autumn Special, 1992
   Jump debut work. Depicts the battle between psychics.
2. Keita Futari (恵太二人) - Weekly Shounen Jump #12, 1993
   A work depicting an assassin with a dual personality.
3. Proto One - Weekly Shounen Jump Zoukan: Autumn Special, 1995
   Ichiro's daily life growing up in an ordinary family,
   After meeting a boy who looks exactly like him, he begins to go crazy.
4. Jewel of Love - Weekly Shounen Jump Zoukan: Winter Special, 1996
   Works depicting game characters that have become reality

Volume 2: TOKYO ANTS

1. Tokyo Ants - Weekly Shounen Jump Zoukan: Akamaru Jump Winter, 2001
   A special security group consisting of highly-skilled people rescues a hostage.
2. ENMA - Weekly Shounen Jump Zoukan: Akamaru Jump Summer, 1999
   Depicts the exploits of a detective who has the ability to see through lies.
3. Enma - Weekly Shounen Jump #25, 2000
   Original work: Ton Okawara , prequel to “ENMA”
4. Chou: Swallow Tail - Weekly Shounen Jump Zoukan: Akamaru Jump Winter, 1998
   About a boy who can see swallowtail butterflies around people who are going to die.

Volume 3: Snow in the Dark

1. MP0 - Weekly Shounen Jump 3-4#, 2005
   The oneshot that will lead to Mx0. The names are different but the contents are the same.
2. Shi Monkey (し〜もんき〜) - Weekly Shounen Jump Zoukan: Akamaru Jump Summer, 2004
   A boy has come to a deserted island to meet his scientist father who is working on a top-secret experiment. There he meets a beautiful girl who knows him, but he doesn't know her.
3. Snow in the Dark - Weekly Shounen Jump Zoukan: Akamaru Jump Winter, 2004
   A one-shot fairy tale which shares many elements of the traditional story of Snow White but is certainly unique and complex enough that it is more than just a reinterpretation.
4. Kirino Sako to Nakamatachi (桐野佐亜子と仲間たち) - Weekly Shounen Jump 19-20#, 2004
   Original work: Taisuke Ninohara. With criminals who abuse the supernatural power "Revelation", the story of a private office that confronts this