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The Testament of Sister New Devil

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12
12
TV 23m
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Running into your new stepsister in the bathroom is not the best way to make a good first impression, which Basara Toujou learns the hard way. When his father suddenly brings home two beautiful girls and introduces them as his new siblings, he has no choice but to accept into his family the Naruse sisters: busty redhead Mio and petite silver-haired Maria.

But when these seemingly normal girls reveal themselves as demons—Mio the former Demon Lord's only daughter and Maria her trusted succubus servant—Basara is forced to reveal himself as a former member of a clan of "Heroes," sworn enemies of the demons. However, having begun to care for his new sisters, Basara instead decides to protect them with his powers and forms a master-servant contract with Mio to keep watch over her.

With the Heroes observing his every move and the constant threat of hostile demons, Basara has to do the impossible to protect his new family members. Moreover, the protector himself is hiding his own dark secret that still haunts him to this day...+ More
AniPaca is the best site to watch The Testament of Sister New Devil SUB online, or you can even watch The Testament of Sister New Devil DUB in HD quality. You can also find Production IMS anime on AniPaca website.
Overview:
Running into your new stepsister in the bathroom is not the best way to make a good first impression, which Basara Toujou learns the hard way. When his father suddenly brings home two beautiful girls and introduces them as his new siblings, he has no choice but to accept into his family the Naruse sisters: busty redhead Mio and petite silver-haired Maria.

But when these seemingly normal girls reveal themselves as demons—Mio the former Demon Lord's only daughter and Maria her trusted succubus servant—Basara is forced to reveal himself as a former member of a clan of "Heroes," sworn enemies of the demons. However, having begun to care for his new sisters, Basara instead decides to protect them with his powers and forms a master-servant contract with Mio to keep watch over her.

With the Heroes observing his every move and the constant threat of hostile demons, Basara has to do the impossible to protect his new family members. Moreover, the protector himself is hiding his own dark secret that still haunts him to this day...
Japanese: 新妹魔王の契約者〈テスタメント〉
Aired: Jan 8, 2015 to Mar 26, 2015
Premiered: Winter 2015
Duration: 23m
Status: Finished Airing
MAL Score: 6.85
Genres: Action Demons Ecchi Fantasy Romance Harem
Studios: Production IMS
Producers: Kadokawa Shoten, AT-X, Nippon Columbia, Kadokawa Pictures Japan, KlockWorx, Mobcast, Production IMS, Funimation, Crunchyroll
AniPaca is the best site to watch The Testament of Sister New Devil SUB online, or you can even watch The Testament of Sister New Devil DUB in HD quality. You can also find Production IMS anime on AniPaca website.

More Seasons

The Testament of Sister New Devil
The Testament of Sister New Devil OVA
The Testament of Sister New Devil: Burst
The Testament of Sister New Devil 2nd Season: Burst OVA
The Testament of Sister New Devil

Characters & Voice Actors

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Naruse, Maria

Naruse, Maria

Main
Fukuhara, Kaori

Fukuhara, Kaori

Japanese
Naruse, Mio

Naruse, Mio

Main
Asai, Ayaka

Asai, Ayaka

Japanese
Nonaka, Yuki

Nonaka, Yuki

Main
Bridcutt, Sarah Emi

Bridcutt, Sarah Emi

Japanese
Toujou, Basara

Toujou, Basara

Main
Nakamura, Yuuichi

Nakamura, Yuuichi

Japanese
Hasegawa, Chisato

Hasegawa, Chisato

Supporting
Asakawa, Yuu

Asakawa, Yuu

Japanese
Hayase, Takashi

Hayase, Takashi

Supporting
Inoue, Gou

Inoue, Gou

Japanese

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