Kinji is a very self-absorbed type of person who cares little for the rules and regulations of Jujutsu High. Students describe him as moody. Kinji is an individual who enjoys watching people get lost in their passions. He describes this as people's "fever" burning hot. Kinji is clever and pours his own fever into manipulating others. He believes people are desperate to change their lives and an easy way of directing their fever is through gambling.