Satsuki Kawasumi, an office worker in her early years who works hard at her job, is worried about her lack of exercise. In an attempt to relieve her pain, she started running on her day off, but suddenly her legs cramped up and she fell down. However, thanks to the precise treatment of Takashima, a handsome man with a dog who was passing by, Satsuki escapes from the crisis. As Satsuki gets to know him better, she begins to like him more and more. She took the plunge and confessed to him, and to his surprise, he smiled and immediately agreed. Just like that, I was carried away by sweet and intense sex at his house... Coco, you're so wet. I want to kiss you inside too.'' Ah, ah...no!'' ``Do we have no choice but to continue to become a happy, orgasmic couple?'' ” Takashima says something mysterious to Satsuki, who is excited.