Complex sentence: The newest game in the series, Kin'iro no Corda, is gaining popularity partially because the manga series it was based on has been recently licensed by "Viz" for English language publishing, and an anime TV series based on it began airing in October 2006.
Split into simpler sentences: The newest game in the series, Kin'iro no Corda, is gaining popularity partially because the manga series it was based on, has been recently licensed by "Viz" for English language publishing. It gaining more popularity though, and an anime TV series based on it began airing in October 2006.