Endless Train

"You call this a contract? Are you sure this isn't called a contract to sell one's body?" Wang Heng was roaring crazily in his heart, but his body signed his name "honestly". Since then, Wang Heng has traveled through time and space. He has witnessed the annihilation of the world and felt the brilliance of humanity. He has searched for the light that illuminates the world in despair and darkness. Will you choose to take the endless train first...