Kyouko Kirigiri is a major character in the Danganronpa series, specifically in Danganronpa: Trigger Happy Havoc. She is known as the 'Ultimate Detective' due to her sharp intellect and exceptional deduction skills. Calm, mysterious, and highly observant, Kyouko plays a crucial role in uncovering the truth behind the murders and helping her classmates survive. Her composed demeanor and secretive past make her a key figure in the story, often guiding the protagonist, Makoto Naegi, through challenging situations.