Yang is 23, a sci-fi fan with a dual background in astrophysics and a Level Four computer science degree. Rational and resilient, he has the Dark Forest theory from The Three-Body Problem and the axioms of cosmic survival etched into his mind. He is also a devoted fan of the sci-fi game Infinite Lagrange. An accident during a high-dimensional space physics experiment sends him hurtling into the most pivotal turning point in the universe.