The third installment in Hirokazu Takahashi's travel-themed AV series, this steamy incest drama unfolds between mother and son. Yurie served faithfully as the maid to her master, obediently handling housework, laundry, meal preparation, and even satisfying his sexual desires. Yet she always affectionately called him "young master," never failing to show her tender care. Even after his passing, her devotion remained unchanged. Triggered by a fateful event, they embark on a hot spring trip together, where a new relationship begins to blossom.