"The identity of the double-faced male protagonist is torn apart + time travel redemption + Machiavellian sadomasochism
Because a stick of incense can last a lifetime.
There is a strange fragrance in the world that allows people to break the limitations of time and space and meet the person who is destined for you.
This was the case between Qin Huaichu and Song Yu. He was originally the unfavored seventh prince of the Yu Kingdom, King Chen, but he almost died at the hands of his imperial sister, so he met the modern Song Yu. Sparks quickly developed between the two people from different eras. She was his salvation, appearing like a ray of light at the most painful time in his life. But at this moment, he still died in the huge Prince Chen's mansion.
Has Qin Huaichu's fate stopped here?
What will Song Yu look like after he knows he is dead?