[She's a girl more attuned to emotions than logic, but that's not to say she's stupid either, or unaware of how the air is turning a little thick with their shared discomfort. In fact, once she notices, her thoughts narrow in with cruel efficiency until that's all she can focus on.

This isn't going as she planned, and she can't help but worry at her miscalculations]

Both of you, please. It's okay. [She laughs a little, a tiny, pleading bell that they not make this harder than it needs to be as she picks at her skirt] I'm just not used to compliments -- or birthday parties, really. [Another smile, more aimed at Oda this time, in the hopes she might reach him quicker] This is my first in a long time, so I'm probably lacking in basic manners...

[See? Just blame the fallout on her and brush away the excess. This can work.]

Um -- Odasaku-san mentioned that he found a cat near your shop, Shigaraki-san?