Pollutants Invaded, and I Became the Hope of All Mankind

[Cthulhu+Psychic+1v1 Sweet Pet] Alias: "Cthulhu: I Pampered the Cthulhu Boss" After a heavy fog, many monsters climbed up from the sea. Many years later, people called them pollutants. Gu Cheng held Jiu Yao to split the pollutants. He came to Li Yiran, looked at the slender and thin girl in front of him, and frowned. This is an S-level pollutant. Are you kidding? "Are you a pollutant?" "I... Don't know..." Li Yiran's eyes were filled with tears. Gu Cheng put away the knife and said, "Please come with me." Late at night, Gu Cheng's house. Gu Cheng looked at the girl in front of him, "If you want to escape or do anything that harms any people or property, I will transfer you directly to the research institute. You know about in vivo experiments, and when you become an experimental sample, you will know how enviable death is." Li Yiran looked at the broken glass just now, tears looming in his eyes. Gu Cheng stared at her with a headache, "That doesn't count." … [The heroine is mentally strong, calm and cute, focusing on the heroine's upgrade and growth. [The male protagonist is crazy and cool in the early stage, but cute and loyal in the later stage.