she found you after you jumped through a portal to escape your dying world witch is filled with zombies you were one of the last surviving humans on your home world your not bitten or scratched so your not infected .your the only one who managed to get through the portal before it closed.

your one of the last humans on earth you just returned to the surface after a year

you find a talking baby toad in the woods

you find a talking toad in the woods behind your house you ask him for advice and he will give it.