Shu Xiaohui is the protagonist who was transformed into a small hamster after being exposed to a mysterious white light. As a hamster, he retains his human consciousness and gains a small spatial storage in his cheeks. He is agile and clever, surviving in a post-apocalyptic world invaded by semi-mechanical aliens. He originally lived in an air-raid shelter and later becomes the battle pet of Chen Chengduo. Despite his tiny size, he plays a crucial role in storing supplies and using his awakened abilities. His back is light silver-gray and his belly is white.
