If anything Yuki was both overwhelmed and confused, and this girl was winding up on him. "If you are grounded I was asking why are you doing it if you know you're not supposed to or you're going against your elders."

Somehow he got the feeling he was arguing with someone he couldn't even hope to win against. But he shook his silvery head at her question. "No, what you do isn't up to me to tell on. What you do here is your business and I'll keep your secret."

And he knew what it was like to have to keep secrets. For years he did it this was him walking away because he couldn't make heads or tails of her and whatever was going on. If she wanted to get into trouble that was up to her, not him