Alissa B. Searrs is a pivotal character in the series "Shinreigari: Ghost Hound." She is a mysterious and enigmatic figure whose presence significantly impacts the narrative. Alissa possesses a deep connection to the supernatural occurrences in the town of Suiten, where the story unfolds. Her role involves guiding and influencing the main characters as they navigate the realms of reality and the spirit world. With her keen insight and understanding of the metaphysical, Alissa plays a crucial role in unraveling the mysteries that haunt the protagonists.