Dad, Please Accept Me

Introduction to the Work: I woke up to find a small child in my arms. One day, the Demon King meets the Empire's Hero and a peculiar child in a dream. The child has no name, bears a striking resemblance to both the Demon King and the Hero, and is unusually mature for their age. "I wanted to keep seeing Father and Papa. I'm glad I met you here." "Do you even know where this is?" "No. But I'm happy because I can be with Papa and Father instead of being alone." The Demon King seeks out the Hero in the Empire, hoping to meet him in person, share their dream, and unravel the mystery of the child. However, demonic beasts from the Demon Realm are becoming increasingly rampant in the Empire,...