After learning that she was reborn in the Three-Body World and became an important character in the original book, Say, she originally planned to get rid of a certain person surnamed Cheng, and persuaded Zhang Beihai and Aerospace to develop a non-propellant engine, and gave Luo Ji some advice.The law of the dark forest, trying to start deterring the era two hundred years in advance. But I never thought that this is the three-body problem based on the defense version. Looking at Luo Ji, who is a kindergarten kid, and who doesn't talk too much and has an old-fashioned look on his face.Rey Diaz, who shares the aura of a benevolent monarch in Liao Dynasty, Ding Yi, who has the aura of a human emperor, Zhang Beihai, who wears a magical military cap, and the five-figure ETO survivors in the game, Say will know how to save the world and defeat the TrisolaransThe heavy responsibility falls on my own shoulders...... This book is also known as 'The Only Wallfacer with Dual Quests at the Normal Level', 'Equipping Shadow Elves for Each Battleship, This Is Part of the Plan','Chang'an battleship advances four times, smashing the water droplets and the Trisolaran fleet', 'The whole battery and AR equipment popularization plan at the beginning, so that both ETO and PDC can't figure it out', 'A wall-facer leads four wall-faced elementary school students to defeat the three-body man'