I have lived with my father's new wife, Ayaka, for three months. She is always kind and caring, but her face, body, and personality are all so perfectly my type that I can barely act normally around her. One day, hoping to get closer to her distant adult stepson, Ayaka suddenly joins me in the bath and calls it a little parent-child bonding. My self-control finally snaps, and I bury my face in her voluptuous breasts and suck them hungrily. From that moment on, the relationship between Ayaka and me changes completely...