# List of The Testament of Sister New Devil episodes
*The Testament of Sister New Devil* (新妹魔王の契約者, *Shinmai Maō no Testament*) is a Japanese anime television series adapted from Tetsuto Uesu's light novels, illustrated by Nekosuke Ōkuma, directed by Hisashi Saitō. Its episode output consists of a 12-episode first season broadcast from January to March 2015, a 10-episode second season, *The Testament of Sister New Devil BURST*, broadcast from October to December 2015, and three original video animation (OVA) episodes released between 2015 and 2018.[1](https://www.fernsehserien.de/the-testament-of-sister-new-devil/episodenguide) • [2](https://animevice.fandom.com/wiki/The_Testament_of_Sister_New_Devil/List_of_Episodes) • [3](https://www.otakukan.com/the-testament-of-sister-new-devil-watch-order/) • [4](https://webservices.macmillan.com/macmillan-us/maccatalog/assets/previous/SSE_Spring-2018_07_2017.pdf)
The story follows high school student Basara Tōjō, whose father suddenly remarries and then departs overseas, leaving Basara with two new step-sisters, Mio and Maria, who are in fact the new Demon Lord and a succubus. Through an accidentally reversed contract Basara becomes Mio's master, and the two are pursued by demons and heroes.[5](https://www.crunchyroll.com/series/G67570P3R/the-testament-of-sister-new-devil)
| Key fact | Detail |
|---|---|
| Season 1 | 12 television episodes, January 8 to March 26, 2015, about 23 minutes each[1](https://www.fernsehserien.de/the-testament-of-sister-new-devil/episodenguide) • [5](https://www.crunchyroll.com/series/G67570P3R/the-testament-of-sister-new-devil) |
| Season 1 episode 13 | OVA "Basara Tōjō's Hard Sweet Daily Life" (東城刃更のハードスウィートな日常), released June 22, 2015[1](https://www.fernsehserien.de/the-testament-of-sister-new-devil/episodenguide) • [3](https://www.otakukan.com/the-testament-of-sister-new-devil-watch-order/) |
| Season 2 (BURST) | 10 episodes, October 10 to December 12, 2015[6](https://www.imdb.com/title/tt4219258/episodes/?season=2) • [2](https://animevice.fandom.com/wiki/The_Testament_of_Sister_New_Devil/List_of_Episodes) |
| OVAs | Three: June 22, 2015; January 26, 2016; and *Departures*, March 28, 2018[3](https://www.otakukan.com/the-testament-of-sister-new-devil-watch-order/) • [2](https://animevice.fandom.com/wiki/The_Testament_of_Sister_New_Devil/List_of_Episodes) |
| Theme songs | Opening "Blade of Hope" by sweet ARMS; ending "Still Sis" by Kaori Sadohara[2](https://animevice.fandom.com/wiki/The_Testament_of_Sister_New_Devil/List_of_Episodes) |
| Total | Two seasons and 25 episodes: 22 main-series episodes and 3 OVAs[7](https://sakuralyuychannelworld.fandom.com/wiki/The_Testament_of_Sister_New_Devil) |
## Season 1 (2015)
The first season premiered on January 8, 2015 (some listings give January 7) and ran weekly through March 26, 2015.[1](https://www.fernsehserien.de/the-testament-of-sister-new-devil/episodenguide) • [2](https://animevice.fandom.com/wiki/The_Testament_of_Sister_New_Devil/List_of_Episodes) Each episode runs about 23 minutes, and [Crunchyroll](https://www.edgepedia.org/crunchyroll) streams the season with Japanese and English audio.[5](https://www.crunchyroll.com/series/G67570P3R/the-testament-of-sister-new-devil)
| # | Title | Air date |
|---|---|---|
| 1 | The Day I Got a Little Sister (妹ができた日) | January 8, 2015 |
| 2 | First Contract Between Servant and Master (初めての主従契約) | January 15, 2015 |
| 3 | Reunion and a Gap in Trust (再会と信頼の狭間) | January 22, 2015 |
| 4 | Until Sadness Reaches Zero (悲しみがゼロになるまで) | January 29, 2015 |
| 5 | A Little Sister's Morning Demon Lording (朝の妹の魔王無双) | February 5, 2015 |
| 6 | Bearing Growing Emotions (募る思いを抱えて) | February 12, 2015 |
| 7 | The Depths of Love and Hatred (恩讐の果てに) | February 19, 2015 |
| 8 | Erotic Succubus Out of Control (暴走のエロサキュバス) | February 26, 2015 |
| 9 | Merits and Demerits of Master and Servant (主従の功罪) | March 5, 2015 |
| 10 | Plaintive Betrayal (哀切なる背信) | March 12, 2015 |
| 11 | Espionage... What Lies After (諜報者（エスピオナージ）…その先にあるもの) | March 19, 2015 |
| 12 | For This Night, This Moment (この夜、このときのために) | March 26, 2015 |
| 13 | Basara Tōjō's Hard Sweet Daily Life (東城刃更のハードスウィートな日常) | June 22, 2015 |
Episode titles and Japanese titles follow the German episode guide, which prints both; the air dates are the Japanese broadcast dates it lists.[1](https://www.fernsehserien.de/the-testament-of-sister-new-devil/episodenguide) Episode 13 is counted by watch-order guides as the first OVA rather than a television broadcast.[3](https://www.otakukan.com/the-testament-of-sister-new-devil-watch-order/)
## Season 2: BURST (2015)
The second season, *The Testament of Sister New Devil BURST* (新妹魔王の契約者 BURST), premiered on October 9 or 10, 2015 depending on the listing, and ran for ten episodes through December 11 or 12, 2015.[2](https://animevice.fandom.com/wiki/The_Testament_of_Sister_New_Devil/List_of_Episodes) • [6](https://www.imdb.com/title/tt4219258/episodes/?season=2) • [8](https://culturedvultures.com/the-testament-of-sister-new-devil-season-3/) IMDb dates the episodes to Saturdays beginning October 10, 2015.[6](https://www.imdb.com/title/tt4219258/episodes/?season=2) The season opens after the battle against Zolgia, with Basara attacked by a person manipulated by magic as he prepares for his school sports festival.[6](https://www.imdb.com/title/tt4219258/episodes/?season=2)
| # | Title | Air date |
|---|---|---|
| 1 | What I Can Do For You (あなたの為にできる事を) | October 10, 2015 |
| 2 | Suspicions Deepening Within Mysteries (深まる疑惑と謎の中で) | October 17, 2015 |
| 3 | My Cherished Feelings, For You (譲れない想いを君と) | October 24, 2015 |
| 4 | Amidst Entwining Plots (絡み合う思惑の中で) | October 31, 2015 |
| 5 | Amidst the Wind Blowing Through the Battlefield (吹き抜ける戦場の風の中を) | November 7, 2015 |
| 6 | Between Reality and One's Own Truth (己の真実と現実の狭間で) | November 14, 2015 |
| 7 | Between Entwining Plots and Desires (絡み合う思惑と欲望の狭間で) | November 21, 2015 |
| 8 | Those Contending For The Future (未来へと挑む者たち) | November 28, 2015 |
| 9 | Beyond the Endless Dream (見果てぬ夢のその先に) | December 5, 2015 |
| 10 | The Consequences of What Must Be Done (果たすべき意思の後先終) | December 12, 2015 |
Episode titles and Japanese titles are from the AnimeVice episode list; the air dates shown are IMDb's Saturday broadcast dates.[2](https://animevice.fandom.com/wiki/The_Testament_of_Sister_New_Devil/List_of_Episodes) • [6](https://www.imdb.com/title/tt4219258/episodes/?season=2)
## OVAs
Three OVA episodes complete the run. The first, *Toujou Basara no Hard Sweet na Nichijou*, premiered on June 22, 2015 and corresponds to season 1's episode 13. A second OVA, *Burst: Toujou Basara no Shigoku Heiwa na Nichijou*, premiered on January 26, 2016. The third, titled *The Testament of Sister New Devil Departures* (新妹魔王の契約者 DEPARTURES), was released on March 28, 2018.[3](https://www.otakukan.com/the-testament-of-sister-new-devil-watch-order/) • [2](https://animevice.fandom.com/wiki/The_Testament_of_Sister_New_Devil/List_of_Episodes)
## Broadcast ratings and availability
Every episode of both seasons was rated TV-MA when the series launched on [HBO Max](https://www.edgepedia.org/hbo-max) on May 27, 2020, with content descriptors such as S (sexual content) and V (violence) added in a November 2020 re-rating; the series was sub-only there and left the service on May 27, 2022.[9](https://sites.google.com/site/poprojo2/hbo-max/the-testament-of-sister-new-devil) As of late 2026 the series streams on Crunchyroll and the Crunchyroll Amazon Channel, and can be purchased digitally on the Apple TV Store; Crunchyroll lists a viewer rating of 4.5 from about 24,600 users.[5](https://www.crunchyroll.com/series/G67570P3R/the-testament-of-sister-new-devil) • [10](https://www.justwatch.com/us/tv-show/the-testament-of-sister-new-devil/season-1)
## Later seasons
No third season had a verified release date or production announcement as of September 2026.[8](https://culturedvultures.com/the-testament-of-sister-new-devil-season-3/)
## References
1. [The Testament of Sister New Devil: Episodenguide, fernsehserien.de](https://www.fernsehserien.de/the-testament-of-sister-new-devil/episodenguide)
2. [The Testament of Sister New Devil/List of Episodes, AnimeVice Wiki](https://animevice.fandom.com/wiki/The_Testament_of_Sister_New_Devil/List_of_Episodes)
3. [The Testament of Sister New Devil Watch Order, OtaKuKan](https://www.otakukan.com/the-testament-of-sister-new-devil-watch-order/)
4. [The Testament of Sister (manga catalog), Macmillan](https://webservices.macmillan.com/macmillan-us/maccatalog/assets/previous/SSE_Spring-2018_07_2017.pdf)
5. [The Testament of Sister New Devil, Crunchyroll](https://www.crunchyroll.com/series/G67570P3R/the-testament-of-sister-new-devil)
6. [The Testament of Sister New Devil (2015–2016) Episode list, Season 2, IMDb](https://www.imdb.com/title/tt4219258/episodes/?season=2)
7. [The Testament of Sister New Devil, Sakuralyuy Channel World Archives Wiki](https://sakuralyuychannelworld.fandom.com/wiki/The_Testament_of_Sister_New_Devil)
8. [The Testament of Sister New Devil: Season 3 – Will It Happen?, Cultured Vultures](https://culturedvultures.com/the-testament-of-sister-new-devil-season-3/)
9. [Adult Swim Content Rating Archive – The Testament of Sister New Devil, Poprojo](https://sites.google.com/site/poprojo2/hbo-max/the-testament-of-sister-new-devil)
10. [The Testament of Sister New Devil Season 1 – streaming, JustWatch](https://www.justwatch.com/us/tv-show/the-testament-of-sister-new-devil/season-1)
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*Topic: Encyclopedia › Arts and culture › Screen and stage › Film and television › Series and fictional screen worlds › Anime and manga › Anime series, episodes, and franchises › Anime episode lists and season guides*
*Initially written Sep 17, 2026 · Reviewed: Sep 18, 2026; Oct 25, 2026 · Edited: Sep 18, 2026; Oct 25, 2026 · Last review: Oct 25, 2026*
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License: Edgepedia Community License 1.0, https://www.edgepedia.org/edgepedia/license