batlow's manga / #Demons(2)

ch 1 - ch 4~~~~ 1-153 demon x human (office worker) 154 - 186 nahh 189 - 220 222 - 230 first couple ch 5 first couple ch 6 first couple

Im looking for the Manga I have read long ago. Its about a little girl, who is going to be the sacrifice for some beast. But the beast did not kill her and after a while let her become his bride. For that she must do a few challenges.