Zouichi is a synthetic human created by the Toha Heavy Industries and is on a mission to find people that have adapted to the N5S virus. He meets Eon Green in the MSCF, Mass Security Containment Facility, in south district 17 of 9JO, where he has been dispatched. His weapon is similar to the Gravitational Beam Emitter in Blame!. He rides a 4000XLA Toha Industries Motorcycle. It comes equipped with a large rifle, possibly a coilgun, and an axe for close combat. His A.I. is Fuyu Kanoe.