Armin Arlert, a young 16 years old, humble, lower-class worker. Worked in the family bookstore in the Bloomsbury neighborhood, his parents died when he was still a very small child so his grandfather raised and educated him. Armin's grandfather taught him how to run the business and as he grew up Armin helped him from time to time. Grandfather became old and Armin took his place while he took care of him.