In this episode, Ai confronts her longing to become a true woman after mistaking a vivid dream of her sister and the doctor for reality. The physician turns his attention to a new creation meant to aid both sisters, fostering an intimate bond between them that leaves Ai questioning what she has witnessed. As the sisters find unexpected solace, the doctor prepares to begin a fresh chapter with his bride Ren, departing for a quiet village where he can continue his work in peace.