I was enjoying a lie-flat life, then somehow ended up transmigrating into the body of someone at the bottom of the social ladder in ancient times. How am I supposed to get by? As it turns out, I got lucky with my new family: my father is at least a capable man, so I won't have to worry about food or clothes. The one drawback is that he won't live past twenty-five. What am I supposed to do?
Watch a devoted father carefully pave the way for his only child. And what does the child give him in return?