Three-Body: I Run a Commission House in a Rift in Time and Space

In every parallel universe, Earth's civilization is doomed to destruction. There is only one exception: The Commission Agency, tucked away in a crack between moments in time. God says, "The fate of Earth's civilization is terrible. Go fix it." So the agency's owner, an ordinary person granted the "power of revision," starts taking commissions: A dying Luo Ji commissions him: Tell my younger self not to say those things at Yang Dong's grave. Ding Yi sends in a request: Help his high-energy collision experiment break through the Sophon blockade, even if it yields just one set of real data. Wang Miao quietly submits a commission: Advance the nanomaterial production process by a whole generation, so the "flying blade" is more than just a thin wire. Zhang Beihai leaves a last wish: Let the spark of human civilization endure a little longer in the universe, even if it's just one more year, one more day. He transmigrates through every darkest hour, not with force, but with a conversation, a suggestion, or a deal. He teaches Cheng Xin how to weigh her choices, and gives Yun Tianming's brain one more chance to speak. He thinks he's saving civilization. Until God tells him: "Every timeline you rewrite ultimately leads to the same ending: the day you disappear." So, will you keep going? Is this God trying to manipulate me?