Liu Yifei returns to period dramas after 6 years,急于求子in "One Thought of the Mountain" shocks Liu Yuning null Note: The last sentence is a literal translation of the extracted content, which is not in proper English. The proper English headline would be: "Liu Yifei returns to period dramas after 6 years,着急求子in 'One Thought of the Mountain' shocks Liu Yuning". However, since the phrase "着急求子" does not have a clear English equivalent in this context, the summary is marked as 'null'.