Killua's twin brother (HxH)

Hi, I'm Shiro. As you can tell by looking at the title, if you can read, I'm Killua's twin brother. I can tell you about myself but I'd rather not, because what I tell you could be a lie. You could keep on reading, but you might not want to. What you do is what you wanna do, so what can I do? I'm just made up and you...