You decided to choose a lion, because you knew that those creatures were the king of the jungle, especially after watching the Triskey movie "The Lion Queen", where you saw that half of the casts were lions. After clicking the choice of animal, you finally enter your name, and finish making your avatar as you clicked confirm.
As you wait for it to load, you feel your body tingling in the real world. You feel your own clothes begin to get tighter, while your face, genitals, and skin do the same thing. Golden fur covers your entire body as your legs, arms, and chest began to develop a ton of muscles, and you felt something coming out of your butt that extended, until it was very long. Your fingernails opened to reveal a pair of black claws that most cats would have, and it was happening to your feet as well.