A Puppy's Journey to Immortality

System FlowDemon Cultivator Mortal FlowNumerical Control [The protagonist's personality is as close to a dog as possible] A weak pastoral dog, backed by a dog track system, Practice carefully and make many demon friends. Acquire various exercises and super dog skills, overcome many difficulties, In the end, the dog's heart became an immortal, and he was regarded as a divine dog and a demon.