The Next Topic Is You!

During his high school entrance exam period, our protagonist, Eita, is so impressed by a movie made by a certain school's film club that he enrolls in that school and tries to join the club, but by the time he enrolls, the club has been disbanded. As he feels disheartened, a beautiful girl with a mysterious allure suddenly approaches him. She seems interested in the movie camera Eita has, but who is she? (Source: Champion Cross, translated)