The Villain Is Invincible

When Mai Fan's grandfather vanishes without a trace, the last thing he expects to find is a mysterious diary that drags him into a legacy of villainy across countless worlds. Turns out, his sweet old grandpa was the ultimate villain—or at least, he was supposed to be. Problem is, he spectacularly failed every single mission! Now Mai Fan must clean up the mess, complete the quests, and prove that being bad has never been this good. Can he succeed where his grandfather failed, or will he rewrite the rules of villainy itself?