[On his way to the hot springs, because they sound kind of fantastic, so he is still fully clothed! And also has a small cat-sized shark swimming through the air after him. The question makes him stop, smiling at recognising Vietnam from Agito's memories]

Vietnam-san? Ah, you mean whether or not to wear anything? [Hum] I probably won't bother with more than a towel...it's not like everyone kind of knows what's underneath clothing anyway. [Simple! What's the point hiding it?]