Yes and it is very popular. [ If such a small and simple thing can convey and bring about joyful expression, Kousetsu can get behind it. ]

...it is not very common for us to see humans in such ways. We were mainly used for war but seeing humans here and in times of peace...it is different. It shows a side to them that we, as blades, have never seen.

[ It makes him realize just what they were fighting for back at home before coming here. And even now Kousetsu understands Haru's mission but he was more wary and uncertain about fighting for that cause. He can see now why the others fight, having been around humans for a much longer time here. ]