In the rainy Friday, the Yaya makes efforts to go to the store to buy a new pair of points. With her bad eyesight, she eventually stumbled upon a guy who was wet, and this guy ultimately helps her get to the store. He runs quickly, and Yay cannot thank him. From this day, she calls him Friday and constantly holds him in his mind. Now his life is full of wonders and questions when he grips, trying to find the truth about who Mr. Friday can actually be. Does it really can be someone from your school? It also includes a short history of PM Dream about a teenager, which is considered very similar to the class guy. She is the daughter of the owner of the guesthouse, in which the bearded Kuma-san.