The unspeakable secret in dormitory 319... Xiao Gong fell in love with An Rong, the straight man An Rong thought it was brotherhood, and the libertine An Rong actually asked Gong, who had a crush on him, to cover for him. How does Gong, who is extremely possessive, choose...? An Rong, a young Shou who looks like a male idol but is a coward on the inside, is a cold and tough guy on the outside but is a flirtatious Gong on the inside. Many years later, An Rong and Gong attended a class reunion together, and it was only then that Shou Shou boldly announced that Gong was his.