After losing his beloved lifelong master, Artesia, and swearing vengeance against those who betrayed her, Kartz completes all his preparations and returns to the past. Now reborn as his 10-year-old self, Kartz begins to move in the shadows — armed with the knowledge of the future — to fulfill his revenge as the true mastermind.
Yagate Kuromaku Heto Itaru Saitekikai Chapter 2
Yagate Kuromaku Heto Itaru Saitekikai Chapter 3