|| The following article is a stub!
This article isn't considered complete; regarding the information available for it for now, it still needs improvements. Your help is highly appreciated here.
You can help us by expanding it
In the manga adaptation, chapter 10, Yuki spotted the crime prevention buzzers at the mall. While she was looking, Yuki noted that there was one that looked like Arnault Hatonishiki.
In the anime adaptation, episode 5, Rii-san found the crime prevention buzzers at the mall.
These were used by Rii-san to create a distraction while rescuing Miki.