Fantasy: Become the Yin Tianzi at the Beginning

Underworld + Yin difference + Behind the scenes + System Chen Xuange traveled through the Tianxuan world, awakened the system, detected that the host successfully traveled through, and the system is being activated... Ding! The underworld master system was successfully activated! The subsystem sign-in system can sign in once a day. It is starting... The sign-in system started successfully! The subsystem task system is starting... Started successfully! The subsystem lottery system is starting... Started successfully! The yin and yang of the world are reversed, the order collapses, the underworld system is obtained, the underworld is rebuilt, and the fourth natural disaster is led to conquer all realms. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.