Question: The Flowers of Evil was serialized between 2009 and 2014 in a manga magazine that was started in what month?
Sentence (from "The Flowers of Evil (manga)"): It was serialized in Kodansha's "Bessatsu Shōnen Magazine" between September 9, 2009, and May 9, 2014, and licensed by Vertical in North America.
Relevant evidence: Yes