He was originally an immortal king with no desires, but he went down to the world to destroy demons because of the emperor's orders.
He was originally the supreme demon emperor, but fell into the mortal world due to the tribulation.
Their encounter was just a calculation, but everything was already doomed, and their future had already been tilted...
He was originally the emperor of the immortal world, but when everything settled, he realized that his feelings for that person had already penetrated deep into his bones, but he understood it too late.
He was originally the emperor's younger brother, but because he was too ambitious, he always wanted to replace him, and even his feelings were resolutely abandoned by him. He finally woke up when he died under his brother's sword, but it was too late. It is destined that he will never get what is not his, and what he once had the chance to have has already left him.