Bleach - Season 1 Episode 4 -

Ichigo’s friend Chad finds a bird that is rumored to bring bad luck. Chad takes the bird in anyway because he has a soft spot for animals. Ichigo’s sister Karin finds out that the bird is really the soul of a young boy whose mother was killed. The boy is now being hunted by a Hollow. Karin makes Ichigo promise that he will save the boy.