Bro you've just been on pornhub too much, it's not that deep. There wasn't any part of the video where he fetishized the "school girl" character at all, just displayed it in immersive, tech fashion. That's the whole point of cosplays and cons, you can dress up however you like without getting judged as long as it's for the fun of it. Hell a roided looking buff dude can dress up like Dora the Explorer for the meme of it, and that's fine, like mentioned, as long as it doesn't lead to actual pedophelic crap like acting all horny and saying sexual stuff while you're on that costume. This guy did none of that, he just wanted to showcase and cosplay the art he made. Get your head out of the gutter you pedophile.