When The Demon Gets Tempted summary:

Xia Yang is a college student that's a sucker for people with good looking faces and has been a fan of the idol, Jiang Zhengze, for many years. He is obsessed with idols, crazy about idols, and would do anything for his idols. But one day, the idol he longed for turned into a demon who wants to eat him up, constantly pushing him to the edge of his sanity. Thus his agonizing and turbulent cohabitation life begins...