A touching story depicting the warm bond between mother and son. Rumi, who has raised her only son Kazuya on her own, constantly worries about him even after he has grown into a successful working adult living alone in the city, always wishing for his happiness. One day, she receives an unexpected call from Kazuya: "I'm thinking of coming home for the holidays." Filled with both joy and anxiety, Rumi eagerly awaits her son's return. The long-awaited day arrives. As the door unlocks, mother and son reunite after a long separation. A passionate kiss, conveying emotions deeper than words, awaits—revealing the intense, forbidden connection between them. A moving tale of profound, incestuous love that strikes straight to the heart.