In the wake of the original Kite, the assassin Sawa vanishes without a trace after avenging her parents' deaths. As time passes, a mysterious figure surfaces in the bustling city, swiftly taking out targets with deadly accuracy before disappearing into the night. Meanwhile, Monaka seems to live a typical high school life, but this peaceful exterior conceals a hidden reality. She secretly works as an angel of death, assuming a perilous alternate identity.
