Yuuji Tamiya

Yuugi's a member of the second line of defense against the infected, part of a sub-group of C.U.R.E. called NOA. NOA is an acronym that shortens the phrase "Nano Osmolar Armor," referring to its members' possession of blood-borne nanomachines that help them battle the M34 Virus outbreak. [Source: Animefringe]