The original work is "Kamitsu," a renowned erotic novel by popular author Ukami Ayano. This adaptation stars AV actress Kuribayashi Riri as the heroine Shiori, fully showcasing her allure. Shiori works as an event companion, but carries a dark past—the death of her husband, who was involved in an affair at the time of his fatal accident. Believing she is no longer capable of love, she has lived alone until she finds herself drawn to Shimaya, the president of her agency. As loneliness and uncontrollable sexual desire intertwine, she becomes increasingly tormented both mentally and physically. Her inner conflict and emotional turmoil deepen the narrative, intensifying the story's impact.