What country's social system is commented on is the K-horror film series that began with "Whispering Corridor's"?
A Blood Pledge:  Aside from the setting and overall themes, it is unrelated to the other films in the series. Whispering Corridors:  It was part of the explosion in Korean cinema following the liberalization of censorship in the aftermath of the end of the country's military dictatorship, and makes a strong social commentary on authoritarianism and conformity in the harsh South Korean education system.
i don't know