I don't want those nice officials keeping an eye on us to know exactly what we're capable of. [He says in a low voice so only she can hear it. Shiro mouths 'don't turn around all the way' as he points at one such person watching them as they walk away.]

My techniques are pretty simple. I'm a soldier, we're not taught anything fancy. [He grins as if he hadn't said the warning about being watched at all.]