Gunslinger Girl, Omnibus Volume 03: Volumes 7-8

The newest inductee into the Agency is a second generation cyborg called Petrushka, who may just be the Agency's most powerful operative yet. Petrushka is given an impossible trial-by-fire mission, together with her handler Alessandro, to prevent an assassination attempt. How can she prove she's got what it takes when she may not even survive her very first mission?