I Can't Fall In Love With Paperman

I Can't Fall In Love With Paperman summary:

When a BL comic artist transmigrated into the princess of Liao, she resumed her career... but encountered her "dear son" who crawled out of the book and refused to be gay! Faced with a sword to her neck, will she surrender or resist? What's worse, the plot is no longer under her control; who's the mysterious person behind the scenes controlling everything?