After an Omega Transmigrates into a Book and Is Exposed, They End Up with the Villain

[1v1, both pure and devoted + both identities exposed] [Scheming, aloof, possessive top + sweet, soft, irresistible bottom, the world's only Omega] Tang Siyan is an Omega, but he transmigrates into a novel where there are only male and female sexes, becoming a cannon-fodder character who is doomed to die soon. In a world without suppressants or gland treatments, Tang Siyan has no chance of survival. To find a way back to his original world, Tang Siyan stops chasing after the protagonist and clings to the antagonist instead. But he discovers that the original owner's body holds many secrets, and the truth long buried beneath the water begins to surface. - One day, the cold and distant antagonist starts looking at him like a ravenous wolf. He can even smell Tang Siyan's pheromones! Tang Siyan: Did you transmigrate here as an alpha? Lu Xingchen: If you're no good at math, stop reading math books. Tang Siyan: You should be a beta, but every time you're as fierce as an alpha! Lu Xingchen: If you keep saying these weird things... - After Tang Siyan's identity is exposed Lu Xingchen is beaming with satisfaction and joy. Tang Siyan swings his fists with all his might. “Go away, go away!” - After Lu Xingchen's identity is exposed Tang Siyan: “You big liar! Pay me back!”