Чёрное облако (シーズン 1)

20-year-old Olya is not an easy character. Friends say that Olya is evil. Olya goes to a psychologist and in sessions with him tries to give his anger a place, to release anger. She tells the psychologist about all the people who infuriate her, and wishes them death in terrible agony. A teacher at the institute, best friend, boyfriend, father, mother… They all annoy Olga very much. And suddenly they all start dying one by one under mysterious circumstances.