Apocalyptic Evolution: Roommate's Start Mutation

"My name is Cui Guifan, an ordinary high school student. My grandfather is a veterinarian and my father is a veterinarian. My hope for the future is also to be a veterinarian." "I thought that my life would go on smoothly until a drug called [Sapphire] appeared..." … The raw material of [Sapphire] is a milky white juice extracted from the internal organs of corpses, called [Soul Water]. After multiple chemical combinations, it will form a water-blue crystal powder, which will gradually solidify into large pieces of blue crystal in the air. , So it is called [blue crystal] [sapphire] Its effect is simple [immortality], but the side effects are equally huge...