Lub is a high-ranking clergyman holding the title of Cardinal within the church in the world of the anime. He is an adult male with black eyes and short brown hair that reaches his neck. His background is defined by his position as a cardinal, but he lives a life of luxury that stands in direct opposition to the church's teachings. His personality is characterized by corruption and self-interest: he routinely accepts bribes and engages in gambling, using his authority to pursue personal gain rather than spiritual service. His motivations are purely selfish, as he prioritizes his own comfort and financial enrichment over any religious or moral duties. In the story, Lub serves as a corrupt church official, likely presenting an obstacle or antagonist figure through his exploitation of his office. His role is primarily seen in the second season of the anime. Reliable information about his key relationships, character development over the course of the series, or any notable abilities such as combat skills or divine blessings is not available from the provided sources. His physical description and basic corrupt nature are the most established details about him.