Starting from Mortal Dogs, We Are Going Against the Way of Heaven.

Yang Cheng, who was doing nothing in his previous life, traveled through time and became a handyman disciple. The control of the yandere sister! There is also an exploration of life experience! More desire for strength! Rely on the symbiosis system and be the master of your own life. The contracted old yellow dog, the civet cat, the bamboo rat, etc., The contracted beasts and Yang Cheng performed various strange operations together, and experienced a series of crises, and they have already broken out of the so-called symbiotic relationship. The truth of the world is revealed as Yang Cheng grows up. There is no pure black and white.