Ayano is energetic, fierce, and ambitious. She would be the fast rising star at work, and also attracts the gaze of many ladies. She herself also lays eyes on may others, especially Kyouko, but she does not make a move, because Ayano knows that when the hectic day is over and she would return home, Chitose would be waiting for her with the bath warmed up, dinner ready, and a soothing "welcome home, dear" to will away any weariness.
That, or Yui being embarrassed; this chapter has both.