Isekai Maou to Shoukan Shoujo no Dorei Majutsu - Volume 1 Chapter 1.15

While the demons were rising, mankind was about to become extinct. Six temples rose and protected the last territory of mankind.

A young boy joins the temple as a knight to save his mother. During his journey full of miracles and tricks in the world where temples and demons are antagonistic to each other, will he be able to ascend to the strongest knight and inherit the sealed divine throne?

- Description from novelupdates

The first time they meet, she bumps into him. The second time they meet, she agrees to a marriage contract in exchange for his help in her bid for revenge. But… he becomes addicted to loving her.

During his first attempt, he flies a helicopter domineeringly; in his second attempt, he arrogantly removes all his love rivals; in his third attempt, he tries to tie her down using a cute child. Youxuan replies with a plain resounding ‘no’ all three times.

In the end, Shan Hanjie takes one look at her, grits his teeth, and plops onto the ground. “Babe, you dropped your prince charming, please bring him home!”

“Helena if I could be with you every moment of every day, fuck, I’d take that,” Romeo growled as he kissed her neck, sucking and licking along the way as well.“We’ve already lost nine years, Helena, I’m not wasting a moment more,” Romeo hissed as his lips crashed against Helena’s.She let out a moan as Romeo lifted her leg, wrapping it around his waist.“Feel that, love?” Romeo asked as he pushed his cock against her. “Feel what you do to me?”Nine years ago Helena Willow ran and on her first day back she meets an Alpha whom she connected with on a different level. An Alpha that could be her Mate.When she left her pack she left her family and the love of her life, her stepbrother Romeo Blackmoon.What happens when she discovers that the Alpha she's slept with was her stepbrother and that he could be her mate?

In the age of the Warring States, the world is at war!

At this moment, a great empire is about to be established, and at this moment, this empire is at stake.

In this vast world, Young Master Qin shouted loudly, “I want this great Qin Wanshi–!”

- Description from novelbuddy