Complex sentence: With the relaxation of censorship in Japan in the 1990s, a wide variety of explicit sexual themes appeared in manga intended for male readers, and correspondingly occur in English translations; however, in 2010 the Tokyo Metropolitan Government passed a bill to restrict harmful content.
Split into simpler sentences: With the relaxation of censorship in Japan in the 1990s, a wide variety of explicit sexual themes appeared in manga intended for male readers, and correspondingly occur in English translations. However, in 2010, the Tokyo Metropolitan Government passed a bill to restrict harmful content.