After his parents' divorce, a young man raised in a foster home embarks on his first trip with the woman he deeply cherishes as his "mother." A new evolution in travel-themed adult video by Koichi Takahashi. The youth is invited by his mother with the words, "Won't you take a bath together again?" Drawn to her voluptuous figure, he becomes immersed in lewd acts. Her pure voice mingles with the sound of water, and captivated by her swaying big tits and irresistible allure, they lose themselves completely, forgetting time. The journey's end marks the final moment of their relationship. A dramatic, emotionally moving and shocking story that blurs the boundaries between heart and body.