It could be a reference to 'The King of Science Fiction'. Maybe it's the name of a science - fiction related entity like a magazine, a book series, or a character in a science - fiction story.
In most cases, 'El Rey' is not based on actual events. It's more of a fictional narrative crafted for entertainment purposes. The plot and characters might be inspired by various elements but not by real-life happenings.
Love could be a common theme. It might be about the relationship between Cherry and El Rey, whether it's a romantic love or a strong friendship. Another theme could be adventure, if their story is set in an exciting world or situation.