Carrying a Pen Through the Book: I Enjoy Writing in This World!

He Ho accidentally traveled to a world with an ancient background, but what she never expected was that she actually had the "book" and "pen" of this world, and the stories of this world could actually be born under her own pen. She thought this was bizarre enough, until she met Prince Gong's Fifth Ji here: her uncontrollable and inexplicable heartbeat towards him, his care for herself, and... He seemed to know something? Why does he know himself so well? Many questions lingered in her mind. Later, he said that he had been to her world, so later, she came to his world. However, when she thought she was just experiencing a fantasy sweet love, she discovered that as time went by, more and more people were involved. This did not seem to be a time travel from traditional cognition...