Season 1

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  6.8/10146 votes

  The Day I Got A Little Sister

  Season 1 Episode 1 - Aired 1/7/2015

  Thanks to his father's sudden remarriage, Toujou Basara finds himself with two beautiful new step-sisters. Their names are Naruse Mio and Maria. Mio wakes him up in the morning, while Maria stands in the kitchen wearing a suggestive outfit...

  Director: Tatsuma Minamikawa

  Writer: Unknown

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  7.1/10102 votes

  First Contract Between Servant And Master

  Season 1 Episode 2 - Aired 1/14/2015

  As daughter of the former demon lord, Mio's foster parents were slain by powerful demons after her life. Still seeking to slay her, Basara reveals himself as a member of the hero clan--an enemy of the demons--and vows to protect Mio as a member of his family.

  Director: Kiyomitsu Sato

  Writer: Unknown

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  7.2/10101 votes

  Reunion and a Gap in Trust

  Season 1 Episode 3 - Aired 1/21/2015

  Basara's childhood friend Nonaka Yuuki warns him not to get involved with Naruse Mio any longer. She is a fellow member of the hero clan, and the one charged with observing Mio. She claims that Mio will bring great disaster, but Basara proclaims that he will protect Mio as a girl on his own.

  Director: Takashi Ando

  Writer: Unknown

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  6.9/1095 votes

  Until Sadness Reaches Zero

  Season 1 Episode 4 - Aired 1/28/2015

  Basara suffers a deep wound in the battle against the white-masked man after Mio's power. Mio regrets getting Basara involved, and challenges the white-masked man to battle on her own. Meanwhile, in order to protect Mio, Basara resolves to use the "forbbiden art" he sealed away after the events of his past. What was the tragedy that visited the hero village and Basara?

  Director: Naoya Ando

  Writer: Unknown

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  6.7/1094 votes

  A Little Sister's Morning Demon Lording

  Season 1 Episode 5 - Aired 2/4/2015

  With the battle against the white-masked man settled, they returned to their bawdy daily life. Basara wakes up with his hand groping Maria's butt, he runs into a naked Mio when he enters the bathroom, and Yuki sneaks into the bath with him. The master-servant pact lying at the heart of everything. Accoring to Takigawa, his classmate and the white-masked man, the pact between Basara and Mio holds another secret. Meanwhile, Basara's childhood friend Yuki invites him out on a date...

  Director: Shinsuke Yanagi

  Writer: Unknown

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  6.9/1093 votes

  Bearing Growing Emotions

  Season 1 Episode 6 - Aired 2/11/2015

  Basara goes on a date with Yuki. Unaccustomed to the shopping center, when the two of them are overwhelmed by a clerk's sales talk, Mio stops following to rescue them.

  Director: Yoshito Mikamo

  Writer: Unknown

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  6.7/1088 votes

  The Depths of Love and Hatred

  Season 1 Episode 7 - Aired 2/18/2015

  Basara leads Mio to higher peaks as he pursues pleasure with the use of syrup. With their master-servant pact reaching a new level, they both bring their full might to face the ones trying to eliminate Mio: Takashi and Kurumi.

  Director: Takashi Ando

  Writer: Unknown

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  7.0/1089 votes

  Erotic Succubus Out of Control

  Season 1 Episode 8 - Aired 2/25/2015

  Ten days pass since the battle with Takashi and others. Although the battle ended with reconciliation, Yuki returned to the hero's village. ...or she was supposed to, but when Basara returns home, he finds Yuki in an apron!

  Director: Yoko Fukushima

  Writer: Unknown

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  7.3/1091 votes

  Merits and Demerits of Master and Servant

  Season 1 Episode 9 - Aired 3/4/2015

  Basara and Yuki begin the ceremony to form their pact. Clad in a bustier and garter belt, Yuki was raring to go for it, but she refused to forge the pact normally, and suffered the same succubus curse as Mio.

  Director: Koji Yoshikawa

  Writer: Unknown

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  7.2/1084 votes

  Plaintive Betrayal

  Season 1 Episode 10 - Aired 3/11/2015

  Mio has been captured by Zolgia following Maria's betrayal. Basara too is captured by Lars and brought to Zolgia's mansion. Lars' goal is to exchange Basara for Mio. He explains that he's only doing his duty as Mio's observer, but negotiations fail, and Zest slays him.

  Director: Yu Sakurai

  Writer: Unknown

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  7.0/1082 votes

  Epsionage... What Lies After

  Season 1 Episode 11 - Aired 3/18/2015

  Strength as a human, the power to rend evil--With the power inherited from his father, Tojou Jin, Basara faces off against Zolgia. Basara is driven by the desire to protect his precious family. That desire gives him strength, and even as Zolgia pushes him to the edge, he rises without breaking. However, even Basara eventually runs out of strength facting that all too powerful might. His mind in despair, he's unable to escape from Zolgia's dominion...

  Director: Yushi Suzuki

  Writer: Unknown

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  7.3/1084 votes

  For This Night, This Moment

  Season 1 Episode 12 - Aired 3/25/2015

  Everyone is trapped inside the body of the demon realm's most dangerous creature, a beast capable of infinitely multiplying until it swallows the entire world. Dimensionally cut off, the only remaining option for Basara and the others is to completely eliminate this dangerous creature's vital core.

  Director: Yushi Suzuki

  Writer: Unknown