Flynn would stand stubbornly in the corner and insist that he has nothing to say if Yuri's not interested in talking. He would keep that up until Yuri poked at some issue or another then I imagine they'd just go at each other and it could definitely turn into a really damn close quarters fight unless they somehow got across to each other that they're just tsuntsun about caring.

At which point Flynn would just tsun and ignore it and ask to be let out anyway.

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