My Life as an Exorcist with My Fiancée

My mother was killed by a demon! Lin Chen swears an oath! You must become a demon slayer! After three years of hard training, Lin Chen returned and learned that he actually had a fiancée? The fiancée is the daughter of the richest man, and she is also an exorcist? This is how their life of killing demons and spreading food begins... Lin Chen: With such a powerful and beautiful fiancée, the efficiency of eliminating demons is very high, but this fiancée is a bit unruly... When you have free time, please help me change the introduction of your work to this. Sorry for the trouble. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.