Airi Jingūji is an elite university student and a master of the naginata, a traditional Japanese polearm. She is a dependable leader figure within her group, and fellow explorer Kaito Takagi relies on her significantly. Her primary motivation stems from a lesson taught by her father: to gain the strength necessary to protect the people who are important to her. Carrying this principle in her heart, she aspires to become a true hero. Her notable abilities are rooted in the swordsmanship she rigorously honed at a dojo, which she uses to defeat her enemies. Additional details about her character, such as a specific birthday on August 26, have also been noted.