Cosmic Ruler - Chapter 1: The Prologue

A little ruffian who fought recklessly without any morals and bottomline accidentally time-traveled to parallel space and became a Key Case Investigation Team agent. The huge change in identity had him creating chaos in the police station. However, a strange miracle system helped him repeatedly solve mysterious cases, turning him into an impudent ruffian detective!

Where there is light there shall be darkness

Hero? Nahh I'm the demon.

In a world where the demons are looked on as the incarnation of evil, the human-demon war raged on across the whole continent.

The Seraphims, protector of humanity, and the Demon lords who rule across all demonkind. Amidst all the chaos, Simon was reincarnated as the lowest ranking demon noble.

A brutal world where the strong feeds on the weak, eat or be eaten, kill or be killed. A demon far off from humanity….a dream unfulfilled in his previous life will be achieved in this life. Taking on the moniker of Laplace, he destroys all his enemies and rise over them.

[Starting in Tokyo, staying overnight for the first time. 】

[Only by becoming stronger can you stop everyone’s mouths. 】

【Only by becoming better can you live without regrets. 】

A boy reborn in Tokyo, my high school life began when I met a girl from a family.

This book is also known as “Sign-in begins with cohabitation”, “I play games in Tokyo”, and “The Perfect Life Begins with Private Toyosaki”.

To care about the people you want to care about, to protect the people you want to protect.

starting today.

“System, I’m not a human anymore!” – by Kato Yusuke

(This book is a comprehensive daily love story, sweet text.)

- Description from novelbuddy