Gantz Wiki:Character Template (Human)
Uemura is first mentioned by Seiichi Kikuchi to Kei Kurono.
Plot
Nurarihyon Alien Mission Arc
He is a Police Detective who owed a favour to Seiichi Kikuchi and therefore agrees to get some guys together to protect Kei Kurono against the Vampires. He and his partners are pretty useless and get quickly killed by them.