There's an Awakening section in my guide with links to an Awakening timetable. And of course there's Slashley's Encyclopedia with info on individual characters in English.

you honestly should experiment and find out what works best for you
That's not really an option when every 4 months you have to make an irrevocable decision about what SSR kamihime to pick, the outcome of which could determine whether you'll be able to clear future content.