Question: What country of origin do the works of Christopher Corey Smith and High School DxD have in common?

Context paragraphs:
Agent Smith: Agent Smith is a fictional character and the primary antagonist in "The Matrix" franchise.  He is portrayed by Hugo Weaving (and briefly by Ian Bliss) in the films and voiced by Christopher Corey Smith in "".

Jad Saxton: Jād Brennon Saxton is an American voice actress who works for Funimation and Sentai Filmworks.  Her name is an acronym of her parents' names, Jimmy and David, and is pronounced as Jade.  Her singing led to her first voice role in "" as Eimi Mori, and her first major voice role was Masako Hara in "Ghost Hunt".  She graduated summa cum laude from Texas Wesleyan University with a Bachelor of Arts in Music in 2005.  Some of her other major roles in anime include Akatsuki in "Log Horizon", Carla in "Fairy Tail", Hatchin in "Michiko & Hatchin", Sena Kashiwazaki in "Haganai", Haruna in "Is This a Zombie? ", and Koneko Tojo in "High School DxD".

Christopher Corey Smith: Christopher Corey Smith is an American actor who voices in various English-language dubs of Japanese anime shows, and in cartoons and video games.  Some of his major roles include Spandam in "One Piece", John Balks in "Future Diary", Raizer Phoenix in "High School DxD", and Soyuz in "".  In cartoons and video games, his major roles include the Joker in "Lego Batman 2" and "",

List of High School DxD episodes: High School DxD is an anime series adapted from the light novels of the same title written by Ichie Ishibumi and illustrated by Miyama-Zero.  Produced by TNK, directed by Tetsuya Yanagisawa, and written by Takao Yoshioka, the anime aired on AT-X from January 6, 2012 to March 23, 2012.  The second season called High School DxD New (ハイスクール<ruby ><rb>D×D</rb><rp> (</rp><rt >ディーディー</rt><rp>)</rp></ruby> <ruby ><rb>NEW</rb><rp> (</rp><rt >ニュー</rt><rp>)</rp></ruby> , Haisukūru Dī Dī Nyū ) aired from July 7, 2013 to September 22, 2013.  The third season called High School DxD BorN (ハイスクール<ruby ><rb>D×D</rb><rp> (</rp><rt >ディーディー</rt><rp>)</rp></ruby> <ruby ><rb>BorN</rb><rp> (</rp><rt >ボーン</rt><rp>)</rp></ruby> , Haisukūru Dī Dī Bōn ) aired from April 4, 2015 to June 20, 2015.  Set during the struggle among the devils, fallen angels, and angels, the story follows the adventures of Issei Hyodo.  Issei is a perverted high school student who is nearly killed by his first date, who is revealed to be a fallen angel.  He is revived by Rias Gremory, who is a crimson-haired school beauty that is actually a devil.  Issei becomes her servant.  The first season adapts material from the first two volumes of the light novels and a few side stories from Volume 8.  The second season continues with the third and fourth volumes of the light novels.  It is split between two arcs: The Excalibur of the Moonlit Schoolyard (月光校庭のエクスカリバー , Gekkō Kōtei no Ekusukaribā ) and The Vampire of the Empty Classroom (停止教室のヴァンパイア , Teishi Kyōshitsu no Vanpaia ) .  The first ten episodes of the third season adapts material from the fifth to the seventh volumes of the light novels, while the last two episodes form an original self-contained story arc.

Ichiei Ishibumi: Ichiei Ishibumi (石踏 一榮 , Ishibumi Ichiei ) (born April 25, 1981) is a Japanese novelist best known for the creation of the "High School DxD" series.

List of High School DxD light novels: The light novel series "High School DxD" is written by Ichiei Ishibumi and illustrated by Miyama-Zero.  It has been published in "Dragon Magazine" since September 20, 2008 under the Fujimi Fantasia Bunko imprint.  The series follows Issei Hyodo, a lecherous high school student attending Kuoh Academy who is killed on his first date.  He is later brought back to life as a devil by Rias Gremory, a beautiful crimson-haired girl who is the heiress of the Gremory Family of devils and President of the Occult Research Club, and must work his way to the top so that he may one day fulfill his dream of building a harem.

Rias Gremory: Rias Gremory (リアス・グレモリー , Riasu Guremorī ) is a fictional character who appears in the light novel, anime, and manga series "High School DxD" authored by Ichiei Ishibumi.  Rias is the main love interest of the protagonist, Issei Hyodo.  Rias is a high school student at Kuoh Academy, which, unbeknownst to most students, contains angels, devils, and fallen angels as part of its student population.  "High School DxD" is set in a world where there is constant battle between these three main factions (angels, devils, fallen angels), though the war has died down as of late, and many famous angels and devils have already ceased to exist.

High School DxD: High School DxD (Japanese: ハイスクールD×D , Hepburn: Haisukūru Dī Dī , alternatively written as Highschool DxD) is a Japanese light novel series written by Ichiei Ishibumi and illustrated by Miyama-Zero.  The story centers on Issei Hyodo, a perverted high school student from Kuoh Academy who is killed by his first date, revealed to be a fallen angel, but is later revived as a devil by Rias Gremory to serve her and her devil family.  Issei's deepening relationship with Rias proves dangerous to the angels, the fallen angels, and the devils.

TNK (company): TNK (ティー・エヌ・ケー , Tii Enu Kee ) is a Japanese animation studio.  Founded on January 29, 1999 by Nagateru Kato, a former animator from Tatsunoko Production, TNK is located in Nerima, Tokyo Prefecture, Japan.  They have produced a number of series to date, most notably their adaptations of "High School DxD" and "School Days", among others such as "Kannazuki no Miko", "UFO Ultramaiden Valkyrie", "Lovedol ~Lovely Idol~" and "I My Me!  Strawberry Eggs".

List of High School DxD characters: The light novel, manga, and anime series "High School DxD" features a diverse cast of characters.  The visuals of the characters were designed by Miyama-Zero and their stories were created by Ichiei Ishibumi.  The stories follow the adventures of Issei Hyodo, a perverted high school guy who is killed by his first date, but reborn as a devil to serve Rias Gremory, a crimson-haired school beauty who heads the Occult Research Club (オカルト研究部 , Okaruto Kenkyū-bu ) .  Issei, Rias, and the club members interact with various groups and organizations, some of which are run by devils who compete against them in sanctioned combat matches called Rating Games, where the characters have been assigned positions akin to chess pieces.

Supporting paragraphs: Christopher Corey Smith High School DxD
Answer: Japanese