Noa's brother suffers from an immense sister complex, so overwhelming that he enrolls in college in Tokyo to escape it. After a few years, Noa surprises him with the news that she intends to take the Tokyo University Entrance exam and might move there too. What he doesn't realize is that Noa has an equally large brother complex. Follow along as Noa's brother struggles to restrain himself around his younger sister while she knowingly sets him up for disappointment.