Starting as a Wallfacer, his defection to the Three-Body Problem shocked the world.

Lin Xuan transmigrated to the Three-Body world and unexpectedly became the fifth Wallfacer after Luo Ji. However, to his dismay, he acquired an incredibly unfair system that required him to collect "shock points" from others in exchange for various items. Lin Xuan quickly figured out the fastest way to collect these shock points: he chose to directly defect to the Trisolarans! This move confused not only his opponents but also his teammates. The UN Secretary-General exclaimed: "Wait, I made you a Wallfacer, why did you join the ETO?" Shi Qiang thought: "Damn it, if I don't close the net soon, this kid'll become the leader of the Adventists!" Luo Ji quipped: "Dude, which side are you on...?"