A mother takes her son on a trip to a hot spring resort after he graduates college and lands a job. She hopes this will encourage him to spend more time away from home. However, during their stay, she discovers that her son has been secretly harboring feelings for her since childhood. Despite being surprised by his confession, the mother finds herself unable to resist his advances. They share intimate kisses and caresses before ultimately giving in to their desires. As they become lost in pleasure together, the mother eagerly accepts her son's manhood inside her, guiding him deep into her womb. This erotic tale follows a mother and son as they indulge in taboo incestuous acts amidst the backdrop of a luxurious vacation spot. Note: The specific recording contents may vary depending on distribution method.