I Signed in at the Ancestral Grave for 50 Years

A good-for-nothing prince was sentenced to 50 years in the imperial mausoleum for letting go and stealing the jade seal handed down from the country. His son signed in the ancestral grave for 50 years. When he came out, he found that he was invincible. The system is not brainless. There is no harem. The villain is not brainless. The protagonist is ruthless and ruthless. The author is not very skilled in writing for the first time. Please forgive me. The author will try his best to finish it. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.