Carly Myers is an American agent who is dispatched to Japan as part of an investigation into the death of the researcher Ikuya Ogura. She is herself an Ajin, a demi-human possessing supernatural abilities such as rapid regeneration upon death and the potential to summon an invisible Black Ghost. She is a young woman with blonde hair parted in the middle and brown or red-brown eyes, and she typically wears a dark brown leather suit and white attire suitable for her professional role. Her nationality and background place her outside the main Japanese cast, and her Ajin status is a secret she holds as she carries out her official duties.

Myers appears in the second season of the anime, where her role is primarily as a supporting character involved in the investigation. She is motivated by her assignment to uncover the circumstances surrounding Ogura's death, which connects her to the broader conflict between humans and Ajin. Her personality is not extensively detailed in available sources, but her demeanor is that of a composed and capable operative.

Her notable abilities are those common to all Ajin: complete regeneration from any fatal injury, which allows her to recover from attacks that would kill an ordinary human. As an Ajin, she also has the capacity to manifest an IBM, though specific instances of her using it are scarce in the record. Her development is limited to her participation in the investigation, and she navigates her dual role as an agent and a hidden demi-human. Key relationships include her interactions with the Japanese authorities and other characters involved the Ogura case, though no deep personal connections are prominently documented.