Vengeful Villainslayer

Right before his eyes, his foster parent was murdered by a villain. The boy, Kazuki, who couldn't resist, only tasted powerlessness. "Tokyo Makai," fused with another world, was a crazy lawless land where those who committed crimes prospered and villains thrived. And Kazuki was about to lose not only his foster parent but also his beloved sister, Akina. When his hatred for the villains reached its peak, an eerie god appeared before him, granting him a mysterious power. 《Villain Slayer》. A job where only killing villains is permitted, and the more he kills, the stronger he becomes... Hiding his anger beneath a mask, Kazuki mows down criminals with his jet-black scythe, "Villain Scythe." To save his sister, Akina, the merciless hunt of a lonely avenger begins!