Question: Which american actor voices in "Future Diary", a Japanese manga series.

<P0-S0> Osamu Akimoto (Japanese: 秋本 治 , Hepburn: Akimoto Osamu ) is a Japanese manga artist born on December 11, 1952 in Katsushika, Tokyo. <P0-S1>  He is best known for his long-running comedy series "Kochira Katsushika-ku Kameari Kōen-mae Hashutsujo", which was continuously published in "Weekly Shonen Jump" for 40 years from 1976 to 2016. <P0-S2>  With 1,960 chapters collected into 200 "tankōbon" volumes, it is the manga series with the highest number of volumes, being awarded a Guinness World Record for "Most volumes published for a single manga series." <P0-S3>  By February 2012, the series had sold over 155 million copies, making it one of the best-selling manga series in history. <P0-S4>  Akimoto debuted with "Kochikame" under the pen name of in 1976. <P0-S5>  He changed to using his real name in 1978, after the series reached its 100th chapter. <SEP> <P1-S0> Venus Versus Virus (ヴィーナス ヴァーサス ヴァイアラス , Vīnasu Vāsasu Vaiarasu ) is a Japanese manga series created by Atsushi Suzumi which was first serialized on June 27, 2005 in MediaWorks' shōnen manga magazine "Dengeki Comic Gao! <P1-S1> ". <P1-S2>  The manga ended serialization in "Dengeki Comic Gao!" <P1-S3>  on February 27, 2008 due to the magazine's discontinuation, but the manga continued serialization in ASCII Media Works' manga magazine "Dengeki Daioh" between March 21 and July 26, 2008. <P1-S4>  Eight bound volumes have been released by ASCII Media Works in Japan. <P1-S5>  The manga has been licensed for English language distribution by North American–based company Seven Seas Entertainment; the first volume was released in July 2007. <P1-S6>  Later, a drama CD was created based on the manga series in October 2006. <P1-S7>  The series has since been adapted into an anime produced by Studio Hibari that aired in Japan between January and March 2007 on BS-i, containing twelve episodes. <SEP> <P2-S0>  Some of his major roles include Spandam in "One Piece", John Balks in "Future Diary", Raizer Phoenix in "High School DxD", and Soyuz in "". <P2-S1> Christopher Corey Smith is an American actor who voices in various English-language dubs of Japanese anime shows, and in cartoons and video games. <P2-S2>  In cartoons and video games, his major roles include the Joker in "Lego Batman 2" and "", <SEP> <P3-S0> Future Diary (Japanese: 未来日記 , Hepburn: Mirai Nikki ) is a Japanese manga series written and illustrated by Sakae Esuno. <P3-S1>  It depicts a battle royale in which each combatant has a diary with entries from the future. <P3-S2>  The manga was serialized in the Kadokawa Shoten's "Shōnen Ace" between January 2006 and December 2010. <P3-S3>  Twelve "tankōbon" volumes were released in Japan. <P3-S4>  The manga has been licensed by Tokyopop, and ten of the English volumes were released, with a release for the last two now uncertain due to Tokyopop ceasing publishing in North America. <P3-S5>  A "pilot anime" DVD was released with the 11th manga volume in December 2010. <P3-S6>  A 26-episode anime television series produced by Asread aired in Japan between October 2011 and April 2012. <P3-S7>  Funimation has licensed the anime for distribution in North America. <P3-S8>  An 11-episode live-action television drama aired between April and June 2012.