doihaveto?'s Manga

A magic app forces Xia Shi to abandon her normal life and become a delivery girl across time and space. Upon completing her final multi-dimensional delivery, she’s swept away to another world. A world of god-like beings known as celestials, a world of demons and ginormous winged kitty cats? What the heck kind of world is this?! Can Xia convince one of these celestials to take her home? And why does their leader, the Grand Master, seemingly despise her?

Girl becomes a book

Good characters
At a young age, she was a genius medical doctor who was imprisoned by her grandfather. But just as she managed to escape her shackles she met with misfortune and crossed over to another world. Now she's the overbearing, yet good-for-nothing, eldest daughter within the Duke's family. Everyone ridicules her for having no spirit familiar, and even her fiance takes joy in bullying her! But so what? I've got my accupuncture needles, so even if you're on deaths door and begging me, I might not help you! And that man, don't come near me! I may have saved your life, but I didn't ask you to repay with your body!