I'll kill myself, not that anyone gives a shit

I (19f) have always been a really introverted, depressed loner. I honestly don't see the point in this life, my existance. I mean why am i here? To just exist for a while and then die? There's no point in any of it. So I think the best thing for me to do is kill myself. I don't really enjoy life, so why live? It's all pointless, the everyday struggle is pointless. Whatever, I guess it's over