The Demon King of Comics Descends

The young man who had already killed a god was chosen to become the demon king, and beautiful girls followed one after another.

" There’s nothing in the world that can’t be solved with one magic attack," Selica said." If there is, then use two!"”

(This is the first time a newbie is writing a book, so she doesn’t know how to write an introduction. Please forgive her if she doesn’t write well.)