I, the Brave Man, Became the Devil's Darling After My Defeat?

The hero's mission is to defeat the devil? But what happened to me, the brave man, who became the Demon King's darling after my defeat? "Demon King, are you ready to come out and die!" In the castle hall shrouded in twilight, the boy's immature but powerful voice echoed in the large space. As expected, no reply was received. The young man frowned and said to the ice-blue long-haired girl in a white dress who was standing silently beside him: "Liz, something's not right. I will walk the rest of the way alone. You stay here and wait for me to come back." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.