Should I be grinding the pig rewards dry? The stamina ratio is good for materials, but are the konpaku gemmies worth the coffees?

>>717439584
You're not getting one single nuke user more, ever (as far as CN goes!). Your choices are sentai boy, Queen and grandma. Pulling now is practically the best choice to have any option for that since you pull for Queen and get rate up for granny as a bonus.