It depends on what you mean by 'true story'. If you're asking if it's based on real events, the answer is no. It might draw inspiration from various sources, but it's likely fictional.
In most cases, Yara is likely a fictional story. However, it could draw inspiration from real-life elements or themes and present them in a creative way.
There was no direct connection between Mayday's perfume and the movie Perfume Killer.
Mayday's song, Perfume, was written and composed by Ah Xin in Mayday's album of the same name. The theme of the song was about humanity and love, expressing the pursuit of beautiful things and the love of life.
The movie The Perfume of the Dead was a sci-fi horror film directed by German director Luc Besson, which was released in 2016. The movie was a dark story about perfume, which explored the relationship between human beings and death, memory and perfume.
Although there was no direct connection between " Perfume " and " Perfume Killer," both movies touched on the theme of perfume, so it might cause people to have similar thoughts.
I'm not sure specifically which 'Yara A True Story' you are referring to. It could be a book, a movie, or some other form of media. Without more context, it's hard to say what it's about.