Yuji's personality code ids ESFJ, or Extroverted Sensing Feeling Judging, so he's a naturally altruistic and proactive boy who will never hesitate.

One of Yuji's defining traits is his willingness to sacrifice himself for others, triggered by his grandfather's last words to him to die surrounded by others.

Yuji has been described as "being naïve, thoughtful, and adorable, all while being possessed by an ancient evil." The viscerally of his character mixed with his lighthearted traits.