A college entrance examination student travels into the body of a direct descendant of an immortal cultivator, who has just been captured by the Beast King and used as a food reserve. During the joint rescue of the immortal families, the seriously injured Beast King wraps his long-gestated life form into his inner elixir and forcibly stuffs it into the protagonist's body. And where should the male protagonist who has been stuffed into the Beast King's inner elixir go? What is the life form that the Beast King has protected with his life?