The cultural context can be a factor too. A cologne with ingredients that are native to a particular region might tell a story of that place. For instance, a cologne with oud from the Middle East could tell a story of the rich, exotic culture there. The scent can transport you to that place and give you a sense of its traditions, people, and history.
Euphoria isn't a true story. It's a creation of the writers' imagination, although it may touch on common issues and emotions that many people can relate to in real life.
Euphoria visual novel is a kind of digital storytelling medium. It combines text, images, and sometimes sound to create an immersive experience for the reader. The themes and content can vary greatly, but they aim to draw the audience into a fictional world.