For Fujiki who graduated from the science and engineering faculty of Waseda University, it will be a very different experience playing a professor working in the arts faculty who likes to check on past case studies and books to find the answers to his doubts. Despite Eiko's reputation as a learned man, he also comes across as someone who harps on things which other people do not care about and can be quite impolite at times so Fujiki will have to show the cool and comical sides of Eiko at the same time. He also commented that it was a challenge having to memorise so many lines and finds that his memory is failing me after he passed 40 years old to the extent that he can't remember what he ate the previous day. In addition, he finds it tough to remember names and facts about the arts when he comes from a science and engineering background.
Co-stars include Shirasu Jin who plays Eiko's assistance, Ukaji Takashi who plays a sub-section chief of Metropolitan Police Department's First Division and regards Eiko as a rival, Takeda Tetsuya who plays a section chief in the MPD's First Division and holds Eiko in high regard and Asano Yuko who plays the vice dean of Teito University where Eiko works at and treats him as an enemy.