The Testament of Sister New Devil poster

The Testament of Sister New Devil (2015)

Action · Animation · Comedy

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!

IMDb rating: 6.5 (4,278 votes)
Seasons: 2
Streaming (US): Crunchyroll
Language: JA
Type: TV series

Browse seasons by rating shape → Open in Rising Shows app → View on IMDb

Ratings refreshed Jul 3, 2026 · 2 seasons indexed

Cast

Seasons

Season 1 (2015)

7.33 avg 13 episodes 7.0 → 7.7 25 min avg

Season 1 episodes — IMDb ratings
#	Title	Rating	Votes
1	Imouto ga dekita hi	7.0	166
2	Hajimete no shujuu keiyaku	7.0	122
3	Saikai no shinrai no hazama	7.2	118
4	Kanashimi ga zero ni naru made	7.2	113
5	Asa no imouto no maou mosou	7.1	112
6	Tsunoru Omoi o Kakaete	7.3	111
7	Onshu No Hate Ni	7.1	107
8	Bousou no erosakyubasu	7.4	110
9	Shujuu no kouzai	7.6	112
10	Aisetsunaru haishin	7.5	106
11	Chouhou-sha... Sono sakini aru mono	7.5	104
12	Kono yoru, kono toki no tame ni	7.7	106
13	Tojo Basara no hadosuwitona nichijo	7.7	116

Season 2 (2015)

7.69 avg 11 episodes 8.1 → 7.7 24 min avg

Season 2 episodes — IMDb ratings
#	Title	Rating	Votes
1	What I can do for you	8.1	113
2	Suspicions Deepening Within Mysteries	7.7	92
3	My Cherished Feelings for You	7.7	95
4	Amidst Entwining Plots	7.4	87
5	Amidst the Wind Blowing Through the Battlefield	7.5	87
6	Between Reality and One's Own Truth	7.6	80
7	Between Entwining Plots and Desires	7.6	82
8	Those Contending For The Future	7.7	78
9	Beyond the Endless Dream	7.8	78
10	The Consequences of What Must Be Done	7.8	84
11	Tojo Basara's Perfectly Peaceful Daily Life	7.7	65