In the library, I met a mysterious beautiful girl who was riding a bicycle with Sasajima. There was a sticky note on the page of the book “Quick quiz lamp display circuit” that she had left behind. Perhaps someone related to quiz ...... sense is thinking about such a thing, Mari informs him that there is a joint practice with another school today. To his surprise, the practice partner was Miyaura High School's Quiz Lab, where Goraiya is from!