No matter how hard you try to think of it as work, it's embarrassing to have lesbian sex with your best friend who you hang out with every day. Staring at each other's pussies and kissing with your tongues entangled. The tension that comes with being best friends and straight, the Kokoro and the sense of being seen through. And a world that only the two of you can understand. The definitive lesbian best friend story starring Yui Hatano and Ayaka Fujikita, who are like close sisters.