Summary
“Hey, you said you wanted a little sister, right?” Highschool freshman, Toujo Basara, was suddenly asked by his father and fell into a state of panic. On top of that, the eccentric father told him he would be getting remarried. He then departed overseas after bringing Basara two beautiful step-sisters. Things aren’t as they seem in this series, as Basara discovers that his new “family” has a few secrets he’s yet to unveil.
Adaptation of the [Light Novel](https://www.novelupdates.com/series/shinmai-maou-no-keiyakusha/) series written by Uesu Tetsuto and with illustrations by Ookuma Nekosuke.
- Ch. 19 Unshakable resolve and its result
- Ch. 18 Put Your Resolve on the Blade
- Ch. 17 Before One's Resolve, The Things One Wants to Protect
- Ch. 16 Their Fates Cross
- Ch. 15 Gaze at the Past That Won't Disappear
- Ch. 14 The Goal of a Master-Retainer Relationship and Trust
- Ch. 13 The Hostility Directed at Us
- Ch. 12 Hold Onto Your Growing Feelings
- Ch. 11.5 A Day of Maria (Side StoryOmake)
- Ch. 11 Unrivalled Morning Sister Demon Lord
- Ch. 10 Things I Want to Protect
- Ch. 9 Until You're No Longer in Sorrow (Part 3)
- Ch. 8 Until You're No Longer in Sorrow (Part 2)
- Ch. 7 Until You're No Longer in Sorrow (Part 1)
- Ch. 6 Enemies and Allies
- Ch. 5 In Between Reunion and Trust (Part 2)
- Ch. 4 In Between Reunion and Trust (Part 1)
- Ch. 3 The First Master-Retainer Contract
- Ch. 2 Demon Lord and Hero
- Ch. 1 How to Conquer Your Step-Sister
- Ch. 0 Preview