It looks like your title got cut off, but I can infer you're looking for a guide on a story or character dynamic involving:
A 2DCG game following "Hochika," an idol whose rising fame leads to a clash between her public persona and her backstage attitude. Re- Underground Idol X Raised in R-peture -Fina...
It utilizes cutting-edge 3D/CGI animation with fluid "toon-shaded" renders that many reviewers compare to high-quality anime. It looks like your title got cut off,