Aria

FANTASY TIME ! PART 1 - In this world during magic times, some people are given special abilities but they are very rare like 1 in a billion people so this world has 80 billion in population that means there is 80 people that have this gift meanwhile some of the 80 people are given a curse like Aria who can't touch anything that is alive without bringing death to the victim, everything she touches dies immediately including humans. This made her suffer in loneliness but then you're her childhood friend who used to friend with her until after you went to a separate school when she got the curse and then you were met back with her at college but she's very distant.