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The Testament of Sister New Devil (manga)

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Alternative title:
Shinmai Maō no Testament (Japanese)
Sister Devil (Italian)
新妹魔王の契約者 (Japanese)
新妹魔王の契約者（テスタメント） (Japanese)
新妹魔王的契約者 (Chinese (Taiwan))
Themes: demons, ecchi
Plot Summary: Basara Tōjō is a first-year high school student who suddenly gains two beautiful step-sisters when his eccentric father remarries, but then his dad and his new wife embark on an overseas trip. However, the two sisters Mio and Maria Naruse are actually a novice devil and succubus. Basara almost ends up forming a dangerous servant and master contract with them, but due to an error, the contract becomes reversed, and Basara becomes the master instead.
User Ratings: 7 ratings have been given [details]
 Masterpiece: 1 vote (?:1)
 Excellent: -
 Very good: 1 vote (Eng:1)
 Good: 1 vote (Eng:1)
 Decent: 1 vote (Eng:1)
 So-so: 1 vote (Eng:1)
 Not really good: -
 Weak: 1 vote (Eng:1)
 Bad: 1 vote (Eng:1)
 Awful: -
 Worst ever: -
Seen in part or in whole by 15 users, rank: #3148 (of 7041)
Median rating: Decent
Arithmetic mean: 5.857 (Decent), std. dev.: 2.5873, rank: #5589 (of 7925)
Weighted mean: 6.126 (Decent), rank: #5232 (of 7925) (seen all: 5.98 / seen some: 7.57 / won't finish: 5.00)
Bayesian estimate: 6.693 (Good−), rank: #3024 (of 3557)
Number of tankoubon: 9
Chapter titles: We have 5
Vintage: 2013-05-26 (serialized in Monthly Shonen Ace)
Release dates: We have 30
News: Show:
North American Anime, Manga Releases, July 29-August 4 (Jul 31, 2018)
North American Anime, Manga Releases, March 18-24 (Mar 20, 2018)
North American Anime, Manga Releases, March 4-10 (Mar 6, 2018)
North American Anime, Manga Releases, November 5-11 (Nov 7, 2017)
North American Anime, Manga Releases, July 23-29 (Jul 25, 2017)
North American Anime, Manga Releases, March 26-April 1 (Mar 28, 2017)
Seven Seas Licenses The Testament of Sister New Devil Storm! Spinoff Manga (Jan 12, 2017)
North American Anime, Manga Releases, November 20-26 (Nov 22, 2016)
North American Anime, Manga Releases, August 7-13 (Aug 9, 2016)
North American Anime, Manga Releases, May 1-7 (May 3, 2016)
Japanese Comic Ranking, February 22-28 (Mar 2, 2016)
North American Anime, Manga Releases, January 17-23 (Jan 19, 2016)
Top-Selling Light Novels in Japan by Series: 2015 (Nov 29, 2015)
Original Anime BD Episode of The Testament of Sister New Devil Previewed (Oct 30, 2015)
Japanese Comic Ranking, September 28-October 4 (Oct 7, 2015)
Japanese Comic Ranking, September 21-27 (Oct 1, 2015)
Top-Selling Light Novels in Japan by Series: 2015 (First Half) (May 31, 2015)
Japanese Comic Ranking, March 23-29 (Apr 1, 2015)
Seven Seas Adds The Testament of Sister New Devil, My Monster Secret Manga (Feb 25, 2015)
Japanese Comic Ranking, February 24-March 1 (Mar 7, 2014)
Press Release:
Seven Seas Entertainment Expands The Testament of Sister New Devil Franchise With Storm! Spin-Off Manga License (Jan 13, 2017)
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Graphic novel
    The Testament of Sister New Devil (GN 1) 2016-01-19 (from $25.98)
    The Testament of Sister New Devil (GN 2) 2016-05-03 (from $12.99)
    The Testament of Sister New Devil (GN 3) 2016-08-09 (from $12.99)
    The Testament of Sister New Devil (GN 4) 2016-11-22 (from $12.99)
    The Testament of Sister New Devil (GN 5) 2017-03-28 (from $12.99)
    The Testament of Sister New Devil (GN 6) 2017-07-25 (from $12.99)
    The Testament of Sister New Devil (GN 7) 2017-11-07 (from $12.99)
    The Testament of Sister New Devil (GN 8) 2018-03-06 (from $96.01)
    The Testament of Sister New Devil (GN 9) 2018-07-31 (from $9.99)

Japanese staff
Japanese cast
Original creator: Tetsuto Uesu (light novels)
Original Character Design: Nekosuke Okuma (light novels)
Art: Miyakokasiwa
(none)
Japanese companies
Publisher: Kadokawa Shoten
English staff
English cast
Translation: Wesley Bridges

Adaptation:
Karis Page
Steven Golebiewski (Volume 6)
Cover Design: Nicky Lim
Editor-in-Chief: Adam Arnold
Layout: Laura Scoville
Lettering:
Kaitlyn Wiley (Volume 6 - 9)
Laura Scoville
Production manager: Lissa Pattillo
Proofreader:
Lee Otter
Steven Golebiewski
Publisher: Jason DeAngelis
(none)
English companies
French staff
French companies
(none)
Publisher: Akata/Delcourt
French cast
(none)
Italian staff
Italian companies
(none)
Publisher: Planet Manga
Italian cast
(none)
German staff
German companies
(none)
German cast
(none)
Portuguese staff
Portuguese companies
(none)
Publisher: Planet Mangá
Portuguese cast
(none)
Chinese (Taiwan) staff
Chinese (Taiwan) companies
(none)
Chinese (Taiwan) cast
(none)

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