Invincible, Start as the King of Darkness!

Become a boss at the beginning and sign in continuously to get more rewards? The first day of signing in, the Black Shadow Corps! The second day of signing in, twelve talismans! On the third day of signing in, the magic sword has a thousand blades! ... Signing in on the seventh day, immortality! Xiao Chen: I also want to keep a low profile, but my strength doesn't allow it. Don't mess with me, or I'll let you know why the flowers are so red! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.