Immature or not, he's a seventeen-year-old boy who hangs out with the biggest children in his school, it's not his fault he's easily amused. Sans' commentary about it only serves to make him giggle harder, only stopping when the little fox actually manages to draw a bit of blood from annoyance. "Ow, okay, alright, I'm done, I swear."

Whether talking to Sans or the fox, who knows? Maybe both. The little growly bundle of fur gets a pat while Ryou brings the conversation back around to where it started in the first place. "About the bottle, why don't we try it out? You never know what you're going to find unless you use it on something, right?"