Sign in and Become a God-Defying Craze in the City

Core settings: World view: Ancient martial arts sects and mysterious organizations are hidden in modern cities, and strong men invisible to ordinary people control the world. On the eve of the revival of spiritual energy, the awakened person will gain extraordinary power. Protagonist: Su Han, an ordinary college student, awakens to the "invincible sign-in system" after being betrayed by his girlfriend. You can get random rewards (kung fu, magic weapons, elixirs, thaumaturgy) by signing in every day. The system can be upgraded to unlock the critical strike function. Goldfinger: The rewards for signing in at special locations (such as graveyards and secret realms) are doubled; completing system tasks can trigger "crit rewards"; the mall can exchange for peerless treasures. Core conflict: To save a terminally ill sister, fight against the wealthy family's conspiracy, expose the ancient martial arts sect's ambition to dominate the world, and avenge the traitors Zhou and Lin families. Highlights: Become stronger upon signing in, slap the villain in the face at a fast pace, interweave urban and fantasy elements, interspersed with side lines such as business wars, medical battles, and secret adventures.