Abyss Fusion, I Will Not Be a Human Being for the Sake of My Sister.

The abyss world and the real world merge. At night, the two worlds merged to create countless bloodshed. When the sun rises, the real world breaks away, but the bloodshed does not disappear. A retired killer who was trafficked since childhood in order to protect his only relative, his sister. He is no longer a human being. Heiye, if you mess with my sister, I will kill you immediately. During the day, you messed with my sister. I won't spoil you either. In short, this is a ruthless person who is so red-blooded that he even dares to kill himself. His weakness and taboo is his sister. Of course, his sister is not a flower vase. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.