I am just a D-class hunter

Introduction

This wasn't what I had expected" The moment he thought that his whole world flipped upside down. Kim Ha-joon died while dragging his two younger brothers to hell along with him. He thought that the two will be alright no matter what happens. Who can harm S-rank hunters anyway. But he was wrong. When he thought that it's the most brutal ending one can get, he regressed. "This time I will make it right."