The Testament of Sister New Devil Storm!
新妹魔王の契約者・嵐!
High school student Toujo Basara’s life has taken a turn for the strange. Although hesitant about his father’s sudden decision to remarry, he can’t deny it comes with a couple perks—drop-dead gorgeous step-sisters…who also happen to be members of a demon clan! Mio Naruse is a Demon Lord and Maria Naruse her succubus servant. Chaos and passionate antics ensue as Basara gets acquainted with his new demonic siblings, trying to protect them from dangerous demon rivals and struggling to keep up with their lusty, devilish appetites.
(Source: Seven Seas Entertainment)
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3.83 / 5 from 223 votes
Characters
成瀬澪
MAINMio Naruse (成瀬 澪, Naruse Mio) is the main female protagonist of the series. She is the daughter of the previous Demon Lord, Wilbert and a human named Ashe thus making her a humanoid demon, as well as the niece of Sapphire. After the "death" of her father, Mio inherited his power and was raised in the Human World as the daughter of two unnamed demons as a human. Though after the death of her adoptive parents, she was later saved by Maria who revealed the truth about her lineage.
Bio from Fandom, licensed CC BY-SA
Voiced by
Ayaka Asai
成瀬万理亜
MAINMaria is a Succubus and is Mio's follower and guardian. Maria loves Mio like a sister and is willing to give her own life to protect her.
Bio from Fandom, licensed CC BY-SA
Voiced by
Kaori Fukuhara
東城刃更
MAINBasara Toujou is the main protagonist of Testament of Sister New Devil. The Son of the Hero Clan member Jin Tojo, Sapphire the sister of the previous Demon Lord, Wilbert, and Raphaeline of the Ten Gods, thus making him a unique hybrid of Human/Demon/and God
Bio from Fandom, licensed CC BY-SA
Voiced by
Yuuichi Nakamura
長谷川千里
SUPPORTINGChisato Hasegawa (長谷川 千里, Hasegawa Chisato), soon became one of the main female protagonists. She is known around Hijirigasaka Academy's "all too beautiful" school nurse.
Bio from Fandom, licensed CC BY-SA
Voiced by
Yuu Asakawa
ゼスト
SUPPORTINGAn demon, made by Zolgia to be his right hand, sent to keep an eye on Mio alongside Lars, who is originally envious of the pacts that Basara has with Maria, Mio and Yuki, since they care for each other. She later joins Basara's group as the fifth female and third demon girl following Zolgia's defeat and her defection to the Moderate faction.
Bio from Fandom, licensed CC BY-SA
Voiced by
Seiko Yoshida
野中胡桃
SUPPORTINGYuki's younger sister and also a member of the Hero Tribe. Kurumi has a hostile attitude towards Basara, but after being saved by Basara during their fight she realizes what Yuki knew all along—that he continues to blame himself for not being able to control his ability which caused the accident five years ago—and develops a crush on him as well.
Bio from Fandom, licensed CC BY-SA
Voiced by
Iori Nomizu
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FAQ
- What is The Testament of Sister New Devil Storm! about?
- High school student Toujo Basara’s life has taken a turn for the strange. Although hesitant about his father’s sudden decision to remarry, he can’t deny it comes with a couple perks—drop-dead gorgeous step-sisters…who also happen to be members of a demon clan! Mio Naruse is a Demon Lord and Maria Na
- Is The Testament of Sister New Devil Storm! still ongoing?
- The Testament of Sister New Devil Storm! is currently finished. It has 30 chapters.
- Who are the main characters in The Testament of Sister New Devil Storm!?
- The main characters are Mio Naruse, Yuki Nonaka, Maria Naruse, Basara Toujou.
