Invincible Sign-In System: from Loser to Taoist

Starting on hell difficulty? Bind the sign-in system, and even a loser can take off on the spot! Yun Baihan, a modern social beast who died suddenly while working overtime, turned out to be the lowest-level handyman disciple of the Qingyun Sect, a large sect that cultivates immortality, or is he a useless person with a pseudo-spiritual constitution? Owing huge debts, seriously injured and on the verge of death, living next to a pig pen? A hellish start, nothing more!