My Pets and I Are Like a Sinkhole, a Trap for People, Beasts, and Demons.

Traditional fantasy, mortals begin to work hard to cultivate immortality. This is a traditional and primitive fantasy world. People's understanding of cultivation has been broken due to ancient wars. The protagonist is poisoned by demons and loses his family. With only his brothers to accompany him, he constantly improves himself through training and changes the fate of himself and the human race.