This Villain, I Quit!

Qin Shou transmigrated, finding himself in a Xianxia fanfiction, and he's the great demon king destined to destroy the world...Qin Shou: ..."Go to hell with the ultimate villain! This villain, I quit!""You go die, you take the blame, you bear the pressure! Anyway... you're all the protagonists!""I just need to hide behind and cheer!"Several years later—Looking at the original Dragon Arrogance becoming a lickspittle of the "great demon king" and the transmigrated "great demon king" becoming the leader of the righteous path, the fanfiction transmigrator was bewildered:"This plot... what's wrong with it?!"