An unexpected turn, for the better?

Eren's day of sunshine and happiness takes an unexpected turn when he finds a hurt black cat in a dark alley. He brings the seemingly grumpy creature home to treat its wounds and then decides to have it stay there to make sure it heals well. Then as it's staying there, to Eren's surprise, the big cat seems to be growing fond of the human boy(?)
(Made this a long time ago on another page)