He's smiling. He's got a nice smile. But there has to be something more behind this, because if he's working with nii-san then he's either unaware of the damage nii-san has done, or he doesn't care, and I'm not sure which one of those bothers me more.

I look dutifully at the name on the blueprints, and nod. "No, I don't think so. I hadn't realised they were named after you! That's really cool, Ryouma-san. I hope you don't mind that other people are using them, then."