MTL - The Ancestor of Body Repair - Chapter 50 Ling Yuetian

A chance to change, to challenge destiny, making dreams a reality, and live a legend! A regular man gains a system that allows him to turn into a fish!

- Description from Novelupdates

Five years ago, she replaced her twin sister to marry him who was burned beyond recognition and even became a eunuch. Five years later, when they met again, he pressed her against the wall in the corner A low voice sounded with doubt. "Is your daughter mine? " The corners of her mouth curled into a sneer. "Are you sure you have the ability to do that? " His originally cold face instantly turned into the darkness before the storm His voice was fierce and low as he growled, "woman, you are challenging me! "

Hiding in the Cold Palace and eventually becoming a Boss of Sorts. Li Mu was transported to a fantastical world and became a measly eunuch of the State of Xia. Despite having initially thought that his life would be a miserable one, he had unexpectedly acquired a check-in system.