The Villain's Invincible Legacy: Fixing Grandpa's Mess Across Worlds

When Mai Fan's beloved grandfather mysteriously disappears, the last thing he expects to find is a diary full of epic failures. Turns out, Grandpa was the chosen successor to legendary villains across countless worlds—and he botched every single mission! Now Mai Fan must clean up the mess, completing villainous quests that span dimensions while navigating a chaotic inheritance he never asked for. Can he succeed where his grandfather failed, or will he rewrite the rules of villainy entirely?