Meteors landed, the atmosphere was blocked, red tides first appeared, human genes awakened, and the world changed drastically. The status of ordinary people without power and strength became extremely low. Overthrowing the nobles became Yu You's wish. However, the gifted younger sister who is a close relative , but heirs of the greatest nobles, how do we face it? Do human beings live under the sky, or in a prison cell? What kind of world is outside? Let us turn into a red tide and break through this boundless barrier. The power of blood and flesh builds an invincible city wall! Book friend group: 122292363, you are welcome to join.