The Prince Is Sick and Must Be Pampered

He was originally a genius poison doctor, but once he traveled through time, he turned into a good-for-nothing lady. Leave her to her fate? It's a joke, now that the king has returned, everything will turn upside down. However, I picked up a tsundere prince halfway and couldn't get rid of him. A certain prince said: "I am poisoned, can the princess cure it?" A certain woman: "If you can't solve it, just wait to die." A certain prince said: "If this king dies, can you bury him with me?" A certain woman: "Not good!" A certain prince said: "If you die in the future, I will bury you with you." A certain woman: "..."