"Well, he still makes me nervous, if it's any consolation." It's half-muttered but entirely true - Ryo still avoids Zetta whenever he can.

He offers her the water bottle, thinking. Sure, he'd had one hell of a first impression of Zetta, and there is a terrifyingly powerful demon in there, but...if he takes care of Persephone, and of other people on the train, he can't be all bad, can he?

Though it sounds like he and Persephone are currently fighting, which is definitely points against him.

"I'm guessing you don't want anyone else to know about that either?"