The Opening Sign To the Seven Fairy Sisters

Novel Summary
Ye Chen traveled to the world of fantasy and found that he had seven beautiful female elder sisters.
Great sister, the lady in red!
The second elder sister, glamorous sword god!
Three sisters, ethereal fairy!
……….
………..
Seventh elder sister, peerless Tianjiao!
Ye Chen, who was born with waste, awakened the sign-in system, and secretly signed in at the Holy Land of Immortality every day.
Ye Chen: “I want to sign in quietly, and then surprise everyone!”
– Description from readMTL