Mari Iochi is a fictional character from the anime series 'Blue Archive.' She is a diligent and intelligent student who is known for her calm demeanor and strong sense of responsibility. Mari is a member of the club known for solving various problems and mysteries within the school. Her analytical skills and dedication make her an invaluable asset to her team. Throughout the series, Mari's character development reveals her struggles with balancing her personal ambitions and her commitment to the club, adding depth to her role.