Kage is a supporting character in the anime Akiba's Trip: The Animation. He is identified as an adult male with black eyes and no visible hair, often depicted as bald. He is a friend of the protagonist, Tamotsu Denkigai.

Kage is a knowledgeable figure and a recurring presence in the Akihabara district. He frequently appears in the role of a merchant, vendor, or event host, demonstrating a deep familiarity with the various shops, services, and subcultures within the town. His expertise is such that he is sometimes referred to as the Lord of Akiba. In one instance, he was able to locate a specific item that Tamotsu had been searching for.

Within the story, Kage-san is part of the main group of characters who battle the Bugged Ones, also known as Synthisters, supernatural beings that threaten the social energy of Akihabara. His primary role is as an ally and informant, using his extensive knowledge of the district to support the group's activities. He has a notable relationship with Tamotsu, acting as a helpful contact and seasoned mentor figure who can procure hard-to-find items and offer guidance.