Housewife Rika, whose son has now grown into adulthood, has decided to study abroad after discussing it with her husband. A few days before her departure, Rika wanted to show her gratitude to those who had supported her all along. Especially her son, who she knew would feel lonely—she wondered if there was something special she could do for him. In the quiet living room, amid a serious atmosphere, her son stared deeply at her and suddenly confessed, "Before you leave, I want you to give me a titty fuck with your big breasts and blow me so hard I cum like crazy." Rika couldn't believe her ears—she was utterly shocked...