Marie Shinzenin is one of the main characters in the anime series 'Unity Marriage'. She comes from the prestigious Shinzenin family and is known for her dignified yet warm personality. Marie is central to the series' plot, often acting as a mediator and voice of reason among the cast. Her intelligence and kindness make her well-respected by her peers. Throughout the story, Marie's development explores themes of love, family expectations, and personal growth as she navigates the complexities of arranged marriage.