Toujou Basara is a high school student whose father has suddenly just remarried. His father then departs overseas leaving Basara with two new beautiful step-sisters. Little does he know, his new sisters, Mio and Maria are actually the new Demon Lord and a succubus!? Almost trapped into a life of servitude, Basara forms a reverse contract by accident and ends up becoming Mio's master! Hijinks ensue as Basara finds himself in one ecchi situation after another. However, Mio's life is in danger as she is pursued by demons and heroes!
Full Cast of The Testament of Sister New Devil
Daisuke Hirakawa
Shiba Kyōichi (voice)
Daisuke Hirakawa is a Japanese voice actor. He uses name Tatsuya Hirai when appearing in adult games.
Hibiku Yamamura
Lucia (voice)
Hibiku Yamamura is a Japanese voice actress and singer. As a solo singer, she uses the name hibiku. She is...
Tomokazu Sugita
Yahiro Takigawa (voice) , White Mask (voice) , Lars (voice)
Tomokazu Sugita is a Japanese voice actor who was born on October 11, 1980 in Saitama, Japan. Previously affiliated...
Keiji Fujiwara
Jin Tōjō (voice)
Keiji Fujiwara (藤原 啓治, Fujiwara Keiji, October 5, 1964 – April 12, 2020) was a Japanese voice actor. His best known...
Taiten Kusunoki
Gald (voice)
Daisuke Fukuda (福田 大典, Fukuda Daisuke, born March 18, 1967), better known by his stage name Taiten Kusunoki (楠 大典...
Kikuko Inoue
Liala (voice)
Kikuko Inoue is a Japanese voice actress, narrator and singer. She is the founder and manager of voice-acting...
Yu Shimamura
Rikka Kajiura (voice)
Yu Shimamura (嶋村 侑, Shimamura Yū) is a Japanese voice actress from Tokyo, Japan. She was formerly affiliated with...
Kenjiro Tsuda
Mamoru Sakazaki (voice) , Ornis (voice)
Kenjiro Tsuda (津田 健次郎, Tsuda Kenjirō) is a Japanese voice actor, stage actor, and narrator affiliated with Amuleto...
Seiro Ogino
Nebula (voice)
Chika Anzai
Fio (voice)
Chika Anzai (安済 知佳, Anzai Chika, December 22, 1990) is a Japanese voice actress from Fukui Prefecture. She is...
Asami Tano
Nanao Tachibana (voice)
Ayumu Murase
Luca (voice)
Ayumu Murase is a Japanese voice actor. In 2016, he won 10th Seiyu Awards for Best Male Rookie. Ayumu is his stage...
Junji Tachibana
Soldier (voice)
Tessyo Genda
Ramusas (voice)
Tessyo Genda (玄田 哲章 Genda Tesshō, born May 20, 1948 in Okayama Prefecture) is a Japanese voice actor, affiliated...
Kenji Nomura
Volga (voice)
Keiichi Nakagawa
Balflear (voice)
Nobuyori Sagara
Soldier (voice)
Yuichi Nakamura
Basara Tōjō (voice)
** Not to be confused with Yuichi Nakamura (actor). They share the same name, but have different Kanji. ** Yuichi...
Kazuyuki Okitsu
Leoheart (voice)
Kazuyuki Okitsu is a Japanese voice actor and narrator. After he graduated from the Osaka University of Arts he was...
Ayaka Asai
Mio Naruse (voice)
Satoru Murakami
Male Student (voice)
Crew of The Testament of Sister New Devil
Full backstage crew list →- Released on January 07, 2015