Survival of the Fittest by kitsune9797 (best interesting books to read TXT) 📕

Hikaro was a fallen angel who couldn't remember anything from his past. Until one day he meets a demon named Akuma who helps him on his journey to recover his memories. On the way incounting other demons, humans, talking animals, and an evil shadow being who enjoys killing. As more join the group of the duo in there adventures.