On the Night of the Wedding, My Wife Turned into a Demon

Lin Jiu traveled to an ancient world, and tomorrow was the wedding day. But he didn't expect that on the wedding night, his beautiful wife would turn into a terrible monster. At the same time, his stomach was opened and the monster's eggs were laid in his body. I originally thought it was an ordinary ancient world, but I didn't expect it to be a troubled world where demons were rampant. Just when I thought it was going to turn into a monster hatching tank, the system woke up. As long as you kill monsters, you can gain cultivation, which can improve your strength and skills. So... Monster! I want you to help me practice. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.