desi

Then just punch your little brother in his face every time he's looking at your computer. Where's the problem? No but seriously, your family kinda sucks. I can't see why an all ages anime picture would be weird, especially these days where anime become more and more popular. I mean your brother most likely watch anime as well. My family never cared about my anime wallpapers ... but they didn't care about me either so there's that too. Oh well, you'll be moving in the near future anyway, no need to deal with something like this. But still, punch your brother in his face because that's exactly what good older brothers do.