[Otto looks towards the shopkeeper just as Peter does, and while his expression is passive at first, it quickly turns sour at the man's words. He stands up even straighter, his wings doing that typical vibrating thing that dragonflies like to do, just for a few seconds. Peter shrinking in on himself only feeds Otto's indignation.]
'That' [he repeats in a very spiteful tone.] is not vermin. He's a teenage boy, and I expect you to treat him as such.
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'That' [he repeats in a very spiteful tone.] is not vermin. He's a teenage boy, and I expect you to treat him as such.