Interstellar Golden Record

[Two male protagonists + apocalyptic wasteland + interstellar + Cthulhu + aliens] [In the early stage, the soldier and the later stage, the servant affectionately restrained the attack of the loyal dog × In the early stage, the unlucky guy, in the later stage, the beautiful, strong, miserable, and mysterious identity suffered] Some elements involved: [Memory Packaging] [Identity Replacement] [Interstellar Crown Prince and Loyal Dog Guard] [Scientists and Officers] [Cthulhu] [Pseudo-Stand-In Literature] ——Not a cool article, not happy at all. It is divided into early and late periods, with a great contrast in identity. ——The author is a novice, please give me some advice. ——Open ending Ever since I was exiled with an unjust case, the important people around me have left me one by one, including my senior sister, my younger sister, and my little robot who always smiles... The officer responsible for escorting me kept approaching me intentionally or unintentionally. With a suspicious attitude, I pointed the gun in my hand at the officer's head. "Bang——" I shot, is he dead? "I won't die, but it will be uncomfortable here." He pointed at the heart and told me that a human being would die from this shot in the head. "You just forgot." "You are my master, you gave me my life, and everything I have is yours."