Little Amnesia and Ancestors in the ABO World

I traveled through time and fell from the sky onto my ancestors who had just woken up from a thousand years ago. Unfortunately, I lost my memory. But it doesn't matter, I have a system, my ancestors have a brain. According to the system, I am a Beta who is not favored by my family. My fiancée despises me for being a Beta and is interested in my half-brother Alpha. Families with the same power all laugh at me, saying that I cannot even protect my own Omega. I am a cripple and need to save a "noble" person. Laughing to death. I can accept it, but my unfair slap-in-the-face system cannot accept it. Within an hour, the system was overturned. I am Bucai, the current and youngest head of the Lin family, an imperial family. [Unfavored beta? ] System: [Who dares to pamper the head of the family? ] [The ridicule of families of equal power? ] System: [We are all enemies, so we must laugh. ] (The copywriting is in the first person, the content is in the third person) Tentatively scheduled for March 23, 2025 Intention: All suffering is not terrible