Prehistoric: Sign in to My Mountain Temple in Tongtian at the Beginning

Ye Xuan traveled to the prehistoric times and bound the mountain temple and the sign-in system. When someone enters the mountain temple, it counts as signing in. At the beginning, Tongtian signed into the Mountain Temple and activated the system. From then on, billions of creatures in the prehistoric times went to the mountain temple to sign in one after another. There will be rewards for signing in, and Ye Xuan begins his journey to the ancient times. Tongtian: "Junior, help!" Yuanshi: "Senior, please, let me enter the mountain temple!" System: "Congratulations to the host, you signed in Loneliness!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.