Challenga's Manga

Don't know why, but a lot of the Chinese manwhas alway seem to have crappy scanlations and poor editing. Like ch 119 is not even for this story.
Was a SF Medic that went to another world and who suddenly got a mental message that she was to be connected /married to a man she nor the body had ever met. Along the lines of star crossed lovers that if she dies or does not marry him, he is predicted to die by 20yo. She made a deal that he has to make her fall in love with him, but now she is on a journey to improve herself and find out what happened to the body's parents

Killed in an explosion and the spirit beast in her bracelet transported her soul into a similar but historical society. Shortly after taking up residence in the New body, she stumbled into a man that had been sealed away. She helps him get out and he returns her to the residence of the body, where she begins to take revenge on behalf of the original.
Being attracted to her attitude and soul the man sticks around and begins a type of courtship and comical flirtatious relationship.