Vivia is incredibly unmotivated. He is frequently tired and reluctant to cooperate with investigations, preferring to sleep or read. Vivia is near constantly melancholic, even expressing extreme emotions with a level of stoicism. He frequently proclaims his exasperation with life, expressing his wish to 'die someday.' Despite his role as a detective, Vivia has a strong aversion to the truth, adamantly believing that in some situations, the truth shouldn't be exposed at all.