Sign In: I Rely on the System to Push the World

Travel through fantasy and become the most useless disciple of the sect. He was bullied, his engagement was broken off, and he was stepped on. At this moment——[Ding! God-level sign-in system activated! Sign in at the sect hall, reward: Holy Body! Sign in the secret realm, reward: ancient magical powers! Sign in above the enemy's head, reward: immediate kill! From now on, wherever I sign in in all the worlds, it is the road to invincibility!