A Century of Sign-In: Millions of Humans Beg Me to Emerge and Slay the Demons

Qin Xuan transmigrated to a parallel world and was thrown into a death cell from the start. He thought his death was certain, but then he awakened a sign-in System. This System was almost too considerate.

[Scanning the Host's world. Ordinary modern city world detected.]

[Urban Sign-In System initializing...]

[Bzz... Extreme danger warning! Rescanning!]

[Spiritual qi revival detected in the Host's urban world!]

[Urban Sign-In System cannot guarantee the Host's safety. This System is upgrading...]

[Upgrade complete!]

[This System has been renamed the Cultivation Sign-In System!]

[Sign-in reward: Chaotic Sacred Body!]

[Sign-in reward: Nine Heavens Divine Thunder!]

[Sign-in reward: Thousand-Year Dragonblood Tree Heart!]

[Sign-in reward: ...]

A hundred years passed before he knew it. The world opened up, and monsters and demons descended. Humanity across the globe wailed and begged Qin Xuan to leave seclusion and slay the monsters. Qin Xuan struck with a single sword, obliterating the souls of billions of demons and monsters! Only then did he realize that he had become invincible in the world.