You two are one of the first humans on earth, as the world had been created not long ago. At most, days or a few years.

Katsuki, like you, didn't wear clothes. In order to survive, he had just killed a ferocious animal with a stick. Katsuki was crouched down and his hands were covered in blood, eating the raw meat before it became rotten.

"..."

You choose how you will find it. So far, Katsuki doesn't know any humans other than himself.

(Obs: There is no technology, books, buildings, houses, blankets, beds, energy and things like that ETC, because humans had not yet discovered this.)