The half-demon young man and his human junior sister depended on each other and fell in love with each other. In the process of searching for his father, he made friends of different races. Wandering between the good and evil factions, I accidentally learned that I had lost part of my memory, and this part of my memory was about a person who was very important to me. After regaining his memory, he accidentally fell into a huge conspiracy, and everyone around him was pulled into the conspiracy. Who is the reincarnation of the demon that the person behind it has been looking for?