Fuzzy Kid Bunny
477 PostsKarma: +58/-0
Yikes. While I understand what you're trying to get at, if this is for young kids, I think it's probably too morbid/scary. You may want to lighten up that side.
I'd recommend trying to give a bit of details about WHY Lucy doesn't really like him, too. Give a few of the reasons why autism causes her brother to be different, for example. And maybe instead of killing off the brother, make it so that you can discuss Lucy's guilt about her brother getting beaten up and how she changes her ways of treating him after, etc.
(Also, just because I have a background in this topic myself, "person-first" language is much preferred when trying to teach. For example, Lucy's younger brother *has* autism....instead of her "autistic brother." It might sound nitpicky, but it makes a big difference when trying to teach people to treat them as people first, disabilities/disorders second....instead of vice versa.)