Tokiyoshi Seira Honganji serves as Mitsu's childhood friend. The Mitsu family regularly summons him to assist with household chores concerning Mitsuhide. His surname directly invokes the Hongan-ji monks who historically opposed Oda Nobunaga during the Sengoku period. This historical connection triggers intense aggression from Nobunaga, reincarnated in the modern era as Cinnamon, whenever they interact.