In the context of HBAD 184, "extra quality" could refer to the exceptional standards or unique attributes that Azumi Mizushima brings to the table.
"It’s an insult," Azumi interrupted, her eyes finally snapping to the clerk. She held the garment up to the camera lens of her phone, which was mounted on a gimbal held by her assistant. "Look at this tension in the shoulder seam. It’s puckering. You call this luxury? This is a fast-fashion mistake wrapped in a designer label." hbad 184 azumi mizushima insulte extra quality