Shinmai Maou no Testament

新妹魔王の契約者〈テスタメント〉, Shinmai Maou no Keiyakusha, The Testament of Sister New Devil

Followed by 327 people

Authors: Uesu, Tetsuto

Artists: Pierre, Yoshio

Status:Ongoing

Genres: Action Fantasy Shounen Romance Ecchi

Rating: 7.41/10 (20 votes)

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Summary

"Hey, you said you wanted an little sister, right?" First year high school student, Toujo Basara, was suddenly asked by his farther and fell into a state of panic. On top of that, the eccentric father told him he will be getting remarried. He then departed overseas after bringing Basara two beautiful step-sisters. But Mio and Maria's true forms are actually the newbie Demon Lord and a succubus!? Basara was almost entered into a master and servant contract with Mio, but a "reversed" contract was formed by mistake, and Basara is now the master!? Moreover, Basara is being hit by ecchi situation one after another due to the contract, but Mio's life is being pursued by other demon tribes and hero tribes!! The most powerful contractor's desire action drama begins! (Source: MU)

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Chapter List

First Chapter

Chapter 0 : Prologue

New Chapter

Chapter 39.7 : Vol.9 Pact After: The Toujou Family: Afterword

Dec 26, 2021

Chapter 39.6 : Vol.9 Last Pact

Dec 26, 2021

Chapter 39.5: Vol.9 Pact 39.5: [Side Story] Go With Maria

Dec 26, 2021

Chapter 39: Vol.9 Pact 39: Return

Dec 26, 2021

Chapter 38: Vol.9 Pact 38: A Score Settled

Dec 26, 2021

Chapter 37: Vol.9 Pact 37: Runic Sword

Dec 26, 2021

Chapter 36: Vol.9 Pact 36: Mio's Awakening

Dec 26, 2021

Dec 26, 2021

Dec 26, 2021

Dec 26, 2021

Dec 26, 2021

Dec 26, 2021

Chapter 31: Vol.8 Pact 31: Basara Vs Maria

Dec 26, 2021

Chapter 30.5 : Maria The Graphic Novelist

Dec 26, 2021

Chapter 30

Dec 26, 2021

Chapter 29 : Parting And Reunion

Dec 26, 2021

Chapter 28.5 : The Testament Of Sister New Devil

Dec 26, 2021

Chapter 28 : Betrayal And Connections

Dec 26, 2021

Chapter 27 : Betrayal, And Then

Dec 26, 2021

Chapter 26.5 : An Average Day In The Life Of Toujou Basara

Dec 26, 2021

Chapter 26 : The Ups And Downs Of A Wavering Pact

Dec 26, 2021

Chapter 25 : The Second Servant-Master Contract

Dec 26, 2021

Chapter 24 : The Sexy Lil' Succubus' Rampage Part 2

Dec 26, 2021

Chapter 23 : The Sexy Lil' Succubus' Rampage

Dec 26, 2021

Chapter 22

Dec 26, 2021

Chapter 21 : What A Man Belives In

Dec 26, 2021

Vol.5 Chapter 20 : Time For A Reckoning

Dec 26, 2021

Vol.5 : Chapter 19

Dec 26, 2021

Vol.4 : Chapter 18 : Put Your Resolve On The Blade

Dec 26, 2021

Vol.4 : Chapter 17 : Before One's Resolve, The Things One Wants to Protect

Dec 26, 2021

Vol.4 : Chapter 16 : Their Fates Cross

Dec 26, 2021

Vol.4 : Chapter 15 : Gaze at the Past That Won't Disappear

Dec 26, 2021

Vol.3 : Chapter 14 : The Goal Of A Master-Retainer Relationship And Trust

Dec 26, 2021

Vol.3 : Chapter 13 : The Hostility Directed At Us

Dec 26, 2021

Vol.3 : Chapter 12 : Hold Onto Your Growing Feelings

Dec 26, 2021

Vol.3 Chapter 11.5

Dec 26, 2021

Vol.3 : Chapter 11 : Unrivalled Morning Sister Demon Lord

Dec 26, 2021

Vol.2 : Chapter 10 : Things I Want To Protect

Dec 26, 2021

Vol.2 : Chapter 9 : Until You Are No Longer In Sorrow (Part 3)

Dec 26, 2021

Vol.2 : Chapter 8 : Until You Are No Longer In Sorrow (Part 2)

Dec 26, 2021

Vol.2 : Chapter 7 : Until You Are No Longer In Sorrow (Part 1)

Dec 26, 2021

Vol.2 : Chapter 6 : Enemies And Allies

Dec 26, 2021

Vol.1 : Chapter 5 : In Between Reunion And Trust (Part 2)

Dec 26, 2021

Vol.1 : Chapter 4 : Between Reunion And Trust

Dec 26, 2021

Vol.1 : Chapter 3 : The First Master-Retainer Contract

Dec 26, 2021

Vol.1 : Chapter 2 : Demon Lord And Hero

Dec 26, 2021

Vol.1 : Chapter 1 : How To Conquer Your Step-Sister

Dec 26, 2021

Chapter 0 : Prologue

Dec 26, 2021

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YOU AFFIRM THAT YOU ARE OVER THE AGE OF 18 (OR, IF GREATER THAN 18, THE AGE OF MAJORITY IN YOUR JURISDICTION) AND ARE OF LEGAL AGE IN YOUR JURISDICTION OR RESIDENCE, OR POSSESS LEGAL PARENTAL OR GUARDIAN CONSENT TO ENTER INTO A BINDING CONTRACT. IN ANY CASE, YOU AFFIRM THAT YOU ARE OVER THE AGE OF 13. IF YOU ARE 13 OR UNDER, YOU ARE PROHIBITED FROM USING OUR SERVICE.

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