Montresor was surprised by how much Illyria mixed two completely different cultural styles; European name and food, yet the name of her mech and her decorations showed more of a tendency toward the Japanese. And now she wanted to open an "onsen," which he thought he remembered being related to hot springs but couldn't remember. "Those are some really cool ideas. Maybe I'll stop by for a dip sometime," he responded with a chuckle, referring to the onsen.