The Substitute's Duty

Gu Zhi had been Shang Yizhou's stand-in lover for seven years, always on edge and keeping to his place. At long last, he finally went from backup choice to the real thing.

The famously gentle Best Actor Shang clasped his hand tightly. "I like you. Would you be willing to like me?"

Gu Zhi fell helplessly in love, thinking he had finally moved Shang Yizhou. But he never expected that:

From beginning to end, he had only ever been a substitute, a shield.

Theme: Substitute romance.