In retrospect, I don't get this story with her expression.
He says that she has all expression. And I, too, have an impression (no pun intended), that in mask she looks coldly and expressionless for everyone. But she says that her reactions show on her face and that bothers everyone. So, which is it? It's not like it's full mask, her mouth stays uncovered. You can even partially see blushing. Or does she stay calm when she is in the mask? Damn before I started writing this, I had some coherent idea, but now it's all gone and I don't understand a single thing