The sixtieth birthday mother, who is waiting for her husband to return home from a long-term business trip, was comforting herself because she could not control her sexual desire as she grew older. The son who sees an unexpected foolery of an elderly mother feels extraordinary excitement. The white ripe and softly loosened mother's breasts are rubbed by her son, who is confused, but the ripe body is hot and finally entrusts herself. The sixtieth birthday mother, who could feel intense and strong pleasure in fellowship with her son, exposes her indecent and distorted motherhood.