Yu Chu, a standard modern female elite, due to an accident, traveled through time to a prince in another world who was unmotivated, weak and incompetent, and might be deposed at any time.
However, what awaits him is not only the strife between brothers, but he also faces a bigger problem, which is "carrying on the family line."
Demining Guide:
1. A woman wears a man's clothes, from the male protagonist's perspective.
2. The male protagonist has a princess, a concubine, etc. If you don't like it, don't enter.
3. Just make excuses, please don't do any research or gossip, thank you!