Cheng Rui traveled through time, and her mission was to prevent the love-minded emperor from destroying his country.
Palace fight? Too low-level. She uses psychological dimensionality reduction to strike.
Concubine Bai Lian acting? Her micro-expression revealed it.
The scumbag emperor pretends to be affectionate? She offered her anti-PUA rhetoric.
By the way, I helped my gay best friend chase the "male god", but unexpectedly the "male god" turned out to be a female Jiao'e!
When she was ready to run away, the emperor she "cured" put her in his arms with red eyes:
"My land, country, and country have all been healed. Now, it's time to heal my heart."