I'm not sure specifically which 'sonny 2' you are referring to. It could be a game, a book, or something else. More context would be helpful to tell the full story.
As I don't know the exact 'sonny 2', it's hard to say. But usually, characters are key elements. There could be a protagonist like Sonny and other supporting characters.
They might be characters from a specific genre of story. For instance, if it's a romantic comedy, Sonny could be a bubbly girl and Chad a bit of a shy but charming guy. They could be neighbors or coworkers, and their relationship develops in a humorous and heartwarming way.
The two main characters are Sonny and the narrator. Sonny is the troubled younger brother, while the narrator is his older brother who tries to understand him.
One main theme is the struggle with addiction. Sonny's battle with drugs is a central aspect of the story. Another is the power of music. Music serves as an outlet and a form of expression for Sonny.
Sure, 'Sonny's Blues' is indeed a short story. It typically has a focused plot and a limited number of characters and events, which are common characteristics of short stories.
Sonny's Blues is fictional. The author crafted the story to explore various aspects of human experience and relationships through imagination and literary devices.