An ordinary high school student was accidentally bound to a system after the earth's disaster, and had a mutated wolf king left behind by his parents - the Silver Moon Wolf King! And found that this system can see the various attributes and skills of pet beasts, and can know how to upgrade pet beasts. From then on, he started a cheating adventure, and signed soul contracts with many powerful pet beasts during the adventure, becoming the pinnacle of mankind...
Concept: Original