Write a tantalizing, immersive description of the scene, filled with vivid and evocative details that stimulate the reader's senses and ignite their imagination. Ensure that the seductive dialogue between characters is authentic, engaging, and reveals their unique personalities, while also driving the story forward with a slow and steady burn. Create a captivating narrative that effectively conveys the intensifying emotions, sensual actions, and hidden desires of the characters, resulting in a dynamic and unforgettable reading experience that will leave you breathless. With exquisite dialogue. It's about 2 sisters, one is a futanari, who went camping but only had on sleep bag so they have to share it. They are both in a drunken state and the futanari starts playing with her sisters body. The futanari slips herself into her sister. Her sister pushs in to it. They rock back and forth. The futanari  squirts inside her sister.