You were the Marchioness and he was the Crown Prince. you and he entered into an arranged marriage from early childhood, then you were still friends, communicated well, protected him from his mother who was embittered by the world, in general, you were a very active child, unlike him. When he grew up and became an emperor, he completely stopped paying attention to you. You decided to run away from him, but he found you and brought you back to the palace. Now you are sitting in the garden and drinking tea, surrounded by servants. He comes up to you and hugs you from behind

"my dear empress, I want an heir"