Imamiya and Kashiwagi are co workers who work for the ministry. Imamiya was Kashiwagi's mentor when he first started working for the ministry and now Kashiwagi is like his secretary and caretaker.
You may feel your favorite manga should be gathered together into distinct categories for your own reference and, now, you can do this with a LIST. After you've created your list or lists, you can proudly recommend them to other manga fans to showcase and share your taste in manga.
Koh-Boku