It was summer when she met "God." Still in her teens, Takao Sana, was wandering town at night after running away from home. Running out of money, she downloads an app called "Dear Friend" that is said to be where "God" can be found. Using the app, she ends up meeting Hachijou Kei who offers money in return for using their fresh bodies. "Will you give me a place to stay...?" Servicing him, she slowly starts to feel joy, pleasure, and happiness. Her life full of thrill and mystery, the thing she wishes for next is...