On Our Wedding Night, I Found Out My Wife is the Demon Sect's Holy Maiden

[Travel + System + Multiple Female Protagonists + Dual Cultivation] When Li Qinglian traveled to another world and learned that this world was an era where demons were everywhere and martial arts were flourishing, he gave up his pen and took up arms, becoming a constable in a small county. After three years of traveling, on the wedding night, the system was awakened. From then on, with the help of the system's incredible functions, he grew from a small constable to a powerful man who controlled the mountains and rivers and stepped on the universe.