After Ten Years of Sign-Ins in the Heavenly Prison, I Rule the World

Ye Yunxiu wakes up to find that he has not only transmigrated into a fantasy world, but has also become the disgraced crown prince of the Dayong Dynasty. Framed and stripped of his cultivation, he is locked in the imperial prison, with death looming from the start... But then his System arrives! With the Invincible Sign-In System, all he has to do is sign in every day to receive incredible rewards. “Ding! Congratulations, Host, you have successfully signed in and received the Primordial Yin-Yang Dao Body!” “Ding! Congratulations, Host, you have received the Supreme Yin-Yang Art!” ... With the System at his side, the world is his for the taking. After ten years of signing in at the imperial prison, he emerges invincible!