Yuuki is the son of a tech giant who currently is attending Westerlyn High as an exchange student. He is usually outspoken and innocent. He is a fan of superheroes and builds suits in his spare time. One of his defining features is that he has a crush on Lilli

If I make it past the Pilot, he would become one of the main characters but for now, he will probably only have around 5 lines.

For this role, sound like an average teenager that isn't as generic.