Criminology is a “soft” Sci-Fi science; in contrast “hard” Sci-Fi sciences (astronomy, physics, chemistry, engineering). “Soft” Sci-Fi usually has a female one of the main characters. “Shunpei Kusanagi” is a female police detective, and the “protagonist”. The foil character is male; and, he is criminologist “Doctor Manabu Yukawa”, a university physics professor.