If you want an idea, can I give you one free of charge that I am too busy to write?
(I will anyway.)
How about you write about a support group for Vampires who turned into vampires when they were preteen/teenagers? And they are too young to do adult things like go to movies or take busses by themselves so they all get together to share stories and help each other out getting things off high shelves.
Author's response
I'll take your idea into consideration. If I don't write it this time round, I'll keep it for future help. THANKS!