(Western fantasy + adventure + single female protagonist + system + easy-going + fried fish + devil and brave man)
In the world of swords and magic, after Loren Lucifer, the strongest demon king, defeated the brave crusade for the 99th time, a being named System suddenly appeared in front of him. Under the guidance of the strange system, he joined the team of future braves. The group of people moved towards the goal of conquering the demon king (himself)...
Brave Man: You said he is the Demon King? So what am I?
Demon King: Maybe it's the Demon King's wife...
The fantasy adventure story of the strongest demon king x the naive brave man
