Zhang Yixing, known professionally as Lay Zhang or simply Lay, is a Chinese rapper, singer, songwriter, dancer, actor and businessman. Zhang first gained recognition for participating in the Chinese television talent show Star Academy in 2005.
Taking place within the Honkai Impact 3rd multiverse, the story follows the adventures of the Astral Express, a spaceship in the shape of a train, as they travel to different planets and unique environments and seek out mysteries and intrigues.
