Hero, Your Companion Has Fallen to the Dark Side

A world with a hodgepodge of settings and a wildly misdirected tech tree. Hero Zola is a transmigrated hero. Like a brick in socialism, she goes wherever she's needed. After saving ninety-nine worlds, she accidentally stepped into a magic circle that sent her back to the first world. King: Could you take care of the mess of broken hearts left behind after you suddenly disappeared, Your Heroic Highness? Hero: ...??? ※ Original worldbuilding, with a chaotic mix of everything from ancient and modern times, from China and abroad. Mostly RPGs. ※ The heroine is the most overbearing one, while the hero is the least noticeable. ※ The author is busy in real life, so updates will be slow. Feel free to do as you please.