九喇嘛

"Destroy everything, and erase everything that hurts you... Entrust your heart to me... and I will save you from your suffering!"

The furious 9-tailed beast
The disaster of the Hidden Leaf Village, 9-tails. Dangerous, enormous... and hungry, unleashed from its seals. Now you have no choice but to fight against the giant beast to protect your home and family, else the monster will bring doom and destruction to the whole world.

You have two options : to fight and win - or to end up inside the beast's dark, chakra-flooding stomach.

The giant fox is too huge that even its insides are quite wide and roomy. It would be wet, dark, and noisy, but it wouldn't be hard to notice that you would be able to survive in its stomach for some moments - being allowed a brief moment of time to find a way to escape.
So actually, you get an additional optoon : to enter the belly of the beast, and find a way to survive and escape. However, the stomach of Kurama is of course, teeming with the dangerous chakra of kyuubi - crushing you in its heat and currents; which means that the chances of survival is very, very low.
Though, if you manage to survive from the furious currents of the tailed beast's chakra inside its gut, you would surely be able to acquire a new talent of borrowing the powers of kyuubi's chakra without the violent force ripping you apart, as you would get used to the powers flowing through your body.