Night Talk in the World of Beasts, a Forbidden Contract Under the Moonlight

After the heroine traveled through the beast world, a mechanical sound sounded in her mind, and the "beast world survival system" was activated. The system told her that if she wanted to survive in the beast world, she must form a contract with the orcs, and the stronger the contract partner, the richer the rewards she would receive. What's even more cruel is that she only has 30 days left to live. Only by successfully forming a contract with the orcs can her lifespan be extended...