After discovering that she cannot have children, Airi, a Airi , is heartbroken by her husband's Kokoro words and runs away from home to her hometown. Since she got married despite her parents' objections and is unable to return to her parents' home, she is walking aimlessly when she encounters her childhood friend who has taken over the hotel. Attracted by the kindness of her childhood friend who liked her, the two soon have sex. In a remote area where no one can disturb them, they seek each other over and over again, entangled, and continue to orgasm as if they are broken.