In his quest for a specific individual, Rei tirelessly journeys across the globe. His current demeanor portrays him as distant and merciless; however, this was not always the case. Driven by a need for vengeance, Rei has abandoned his sense of empathy and now exists as a solitary entity until he fulfills his retribution. Consequently, he wanders as a hostile and confrontational figure, aggressively taking on any who challenge him.