Sign In For 30 Days, SS-Level Ghosts Will Suppress The World

My name is Chen Xuan, and it didn't take long for me to travel through the world of horror and recovery, and I encountered a terrible ghost.Fortunately, the sign-in system is turned on...【Ding! Sign in successfully, reward: S-level Specter, Ghost Doll]【Ding! Weekly signing is successful, reward: s-class ghost, destiny ghost bell]【Ding! Successful monthly signing, reward: SS-level Specter, Ghost Bride]......My name is Chen Ruoqing, and I am a ghost-seeker. After experiencing many supernatural events, I suddenly realized that something was wrong with my big brother.There will always be ghosts around him, but he has nothing to do.I wonder, I guess, until...When the S-rank Specter came to Xiadu, and the whole city was about to fall into despair, the man who manipulated countless Specter appeared.It turns out that the master of these ghosts is actually my brother, he is the strongest ghost controler in the world