I Am the Weakest of the Four Heavenly Kings but the Demons Are Obsessed With Me

I am a spy from the human world, undercover in the Demon King’s castle. My mission is to secretly support the hero.

But the Demon King wants me to become one of the Four Heavenly Kings.

I felt overwhelmed by the position of one of the Four Heavenly Kings, so I chose to lose to the hero and exit the story.

Yet, for some reason, the demons are obsessed with me