The Hayasaka Family

Chikage and Hidehira Hayasaka are students at Niihama Kita High School, a private school in Dazaifu, Fukuoka, Japan. Chikage is Second year while Hidehira is First Year. Both are above-average students and have an amicable relationship. Their story begins when Chikage manages to find herself in detention with the infamous Ms.Watanabe.