These are office ladies who are competent at their jobs and look beautiful—the kind of women you'd call "proper." But the moment they switch off, that balance shifts. Even with a face that says "I'm not usually like this," they flip into a completely different mode once they get excited. It starts with composure, then a little laughter, then getting close, and suddenly you're thinking, "Wait, is she more into this than I thought?" They aren't hardcore, but they aren't too casual either. That's why this "realistic" vibe is so addictive; the more proper they are, the more interesting it is to see them unravel. This gap is exactly the kind of thing that keeps you watching until the very end.