Oichi is following, although she is some distance away because she had been distracted by the play of the sunlight on leaves and had stood there marvelling at it, gently stretching out her fingers to it and trying to touch it.

She couldn't touch it though, and she gives a soft and obviously disappointed "ah" until she notices the way the leaves cast shadows on her hand and spends a good minute turning it this way and that, distracted.