新妹魔王の契約者

2015 - 2015

The Day I Got A Little Sister

7th January 2015

Episode 1

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...

First Contract Between Servant And Master

14th January 2015

Episode 2

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.

Reunion and a Gap in Trust

21st January 2015

Episode 3

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.

Until Sadness Reaches Zero

28th January 2015

Episode 4

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?

A Little Sister's Morning Demon Lording

4th February 2015

Episode 5

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...

Bearing Growing Emotions

11th February 2015

Episode 6

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.

The Depths of Love and Hatred

18th February 2015

Episode 7

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.

Erotic Succubus Out of Control

25th February 2015

Episode 8

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!

Merits and Demerits of Master and Servant

Episode 9

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.

Plaintive Betrayal

11th March 2015

Episode 10

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.

Epsionage... What Lies After

18th March 2015

Episode 11

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...

For This Night, This Moment

25th March 2015

Episode 12

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.

Top Cast

Yuichi Nakamura•Ayaka Asai•Kaori Fukuhara

Animation Action & Adventure Comedy Sci-Fi & Fantasy

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!

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Full Cast

Yuichi Nakamura Image

Yuichi Nakamura

Basara Tojo (voice)

Ayaka Asai Image

Ayaka Asai

Mio Naruse (voice)

Kaori Fukuhara Image

Kaori Fukuhara

Maria Naruse (voice)

Tomokazu Sugita Image

Tomokazu Sugita

Yahiro Takigawa (voice)

Yuu Asakawa Image

Yuu Asakawa

Chisato Hasegawa (voice)

Iori Nomizu Image

Iori Nomizu

Kurumi Nonaka (voice)

Sarah Emi Bridcutt Image

Sarah Emi Bridcutt

Yuki Nonaka (voice)

Keiji Fujiwara Image

Keiji Fujiwara

Jin Tojo (voice)

Seiko Yoshida Image

Seiko Yoshida

Zest (voice)

Full Crew

Tomoki Murakami

Color Designer

Tetsuto Uesu Image

Tetsuto Uesu

Original Story

Hisashi Saito

Series Director

Yoshiaki Kimura

Editor

Tomoki Murakami

Special Effects

showData