He huffed quietly, pouting openly again as he leaned his chin heavily on Silvio's shoulder. If there's one thing Su-jin's never been, it's spontaneous. Or maybe he was once when he could still be a regular human, but those days are long gone -- if they ever existed at all. Immediately he started thinking about what he could do that would be spontaneous... and realized planning defeated the purpose.

"Challenge accepted," he muttered.