System: Marry Your Grandma and You Will Become Invincible

"It doesn't matter if he is an ancestor or a monster that has been around for hundreds of years, as long as he can pass on the lineage to our Liu family!" Liu Hai's mother was open-minded. "Old man, think about it, the child is already so old, it's time for him to practice his mind in the world of mortals!" "Uh!" "Think about it again, if the ancestor of the Murong family becomes our daughter-in-law, what will the Murong family call us in the future? The older you get, the older you get, it doesn't matter. " Liu Hai's father had never objected to his wife's decision. "That's fine, but it can only be a concubine, not a real wife!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.