You've Got Mail: The Perils of Pigeon Post - Fei Ge Jiao You Xu Jin Shen Novel Volume 3 was written by Blackegg.

Certain he can't compete with the refined Mr. Lu for Guan Shanjin's affections, Wu Xingzi resigns to leave for the capital. Here, Peng Society manager, Rancui, is determined to find him a less complicated romantic prospect. With a stroke of luck, one man stands out: the plain but charming Ping Yifan. Sure, he can't stop thinking about Guan Shanjin and his mighty member, but Ping Yifan's pengornis is just as prodigious!

Yet when Wu Xingzi encounters a familiar face from his past, he's forced to reckon with the fraught feelings of his bygone first love. After all, the man who abandoned and betrayed the young Wu Xingzi has made quite the name for himself in the capital, and his ambitions spell trouble for both Wu Xingzi and Guan Shanjin alike…