Often described as the "broad" of the detective duo, Charles is the doer who charges headfirst into danger. He has a relaxed, free-spirited, and protective personality.Abilities: As a ghost, he can manifest a magical knapsack packed with various items and weapons to fight off dark supernatural creatures.Death: Originally a student at an English boarding school, Charles suffered physical and emotional abuse from bullies. He ultimately died from wounds inflicted by supernatural ghost bullies at his school.Afterlife: When Death arrived to escort him to the afterlife, Charles refused to leave. He chose to stay on Earth with Edwin so they could run their agency and help others who had been forgotten or victimized

She is a talented medium who can see, hear, and communicate with spirits, making her an essential liaison for Edwin and Charles. She can also perform psychic readings, astral project, and enter people's minds.Background & Amnesia: In the show, she starts with no memory of her past due to a traumatic demonic possession. Throughout the series, she goes on a journey to reclaim her stolen memories and uncover her true identity.Personality: Crystal is tough, fiercely protective of her boundaries, and deeply loyal to her friends. She forms a particularly close bond with Niko and acts as a grounding force for the supernatural agency

Following a near-death encounter with supernatural parasites that forced her to drop out of school, she gained the unique ability to see ghosts.Investigative Style: She is a self-proclaimed expert on monsters and mysteries, often using skills she learned from reading manga and watching Scooby-Doo to assist the boys on their cases.Personality: She starts as an involuntary shut-in due to a reclusive life caused by the parasites, but quickly becomes a fiercely loyal, warm, and optimistic friend to Crystal, Edwin, and Charles.