A collection of oneshots:

Tokyo Ants - Weekly Shounen Jump Zoukan: Akamaru Jump Winter, 2001
A special security group consisting of highly-skilled people rescues a hostage.

ENMA - Weekly Shounen Jump Zoukan: Akamaru Jump Summer, 1999
Depicts the exploits of a detective who has the ability to see through lies.

Enma - Weekly Shounen Jump #25, 2000
Original work: Ton Okawara , prequel to “ENMA”

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.