I have a lot of experience with them. My own weapon is often subject to theft back home.

[ But no one knows what a Hypnosis Mic is here-- so he hasn't had to worry about it.The rifle strapped to his back is a replica so Sidon may think he means that, but it's more for his own comfort than functionality. Still, this is a statement of empathy. People who try to steal your things are a source of irritation. This man wasn't after his things so he didn't need to get intense and teach him a lesson since the problem was already efficiently resolved, but that didn't mean that he should get off easy. ]

My name is Riou. [ He's fine with being friends, even if his tone sounds short and unfriendly. It's just how he talks- as he said, he's a military man. He turns to the thief in Sidon's grasp. ] It is possible to live a fulfilling life without money, thief. Take your punishments. Don't let me catch you again.