Mio had been living with Kenichi, her stepson, after the death of her much older husband, who passed away due to illness. For a woman in her prime, aged thirty, who had remained chaste after her husband's death, there were times when she longed for human contact. However, she suppressed these feelings for the sake of raising her son. Yet, one day, unable to resist any longer after seeing her stepson's vigorous morning erection, she finally succumbed and took his erect penis into her mouth...
