I get most of my ideas for my novels by watching anime, or listening to the anime op or just music - the idea doesn't always be related to anime but it gives me an idea and with music and anime op, I can visualize the story as if I was watching a show.
So as I just finished watching In/Spectre, I watched the anime and I liked the op so I decided to listen to it which was when I got an idea for my story. I don't want to reveal too much of the story but it was a crime-solving book. As I said before, I could begin to visualize it as I was watching a TV show. So, me thinking this a good idea, I wrote down some notes so I could remember the story a few weeks later.
I was watching Black Clover and I had just binged all of the episodes. I decided to get working on my idea as I been writing notes and research information I will be using in my book. I listen to the same op and a new idea formed in my head - more of a fantasy one at first. I'm excited because I got two awesome stories but as soon as I began to work on the fantasy one, well, not working, more like writing ideas and points I want for my story and research about things like religion and events I might use in my story that relates to real life. I began to lose sight of crime-solving one I'm afraid I lose my idea for it
This happened once before I had this idea for a story and I could visualize the entire story like a show but I soon lost sight of my story and it became very difficult to write it, as I visualized, I basically forgot the idea - even now I could only remember small details.
To try to avoid the same results, I wrote notes and ideas I had for the story so I could kinda remember the idea of the story, but to make matters worse, the story idea was created from the same anime op which made it hard to visualize one of the other, the main character shares the same and personality. I didn't do this on purpose, but when I came up with the second idea the main character kinda became the same. I tried to change the name by thinking of names using a name generator but it doesn't fit the story. The concept of their story is very different, I think this happened because I made them similar to me and my personality.
This is a hard situation for me, what should I do?