[Bureikou] Looked up the meaning and learned it requires decorum, reveals she hums the Galileo theme in daily life

From regular stream #30. While planning a "bureikou" (no-rank) Among Us collab, Riona looked up the term and panicked when she realized it means maintaining decorum rather than speaking casually. She explains that she busted out a Galileo bit during the game because she actually hums the detective theme during everyday reasoning, sometimes even playing it from YouTube.

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