The Kazama family had been a single-parent household where mother and son supported each other. However, after their only son Koji came of age, he went out to work to make life easier for his mother and sent money back home. After a year of living apart, Koji finally managed to take some time off and decided to return to his childhood home where his mother was waiting. Overwhelmed by her longing, the mother reached climax multiple times with her beloved son's penis, not knowing when they would meet again.
