Shuu ni Ichido Classmate wo Kau HanashiShuu ni Ichido Classmate wo Kau Hanashi: Futari no Jikan, Iiwake no 5000-en; 週に一度クラスメイトを買う話 ～ふたりの時間、言い訳の五千円～; Shuu ni Ichido Classmate wo Kau Hanashi ~Futari no Jikan, Iiwake no Gozen'en~; 일주일에 한 번 클래스메이트를 사는 이야기 ~두 사람의 시간, 변명의 오천 엔~; Câu chuyện về việc lấy cớ mua bạn cùng lớp 5000 yên mỗi tuần để được ở bên cô nàng; Mua bạn cùng lớp 5000 yên; A Story About Buying a Classmate Once a Week: 5,000 Yen for an Excuse to Spend Time Together; Shuukura

Once a week, Miyagi pays 5,000 yen to her classmate Sendai.The 5,000 yen is to buy three hours of Sendais time, which gives the right for Miyagi to give her orders.Miyagi is at the bottom of the school caste while Sendai is at the top. The two, who never crossed paths at school, spend time together after school under such a contract.Miyagis orders are determined by her mood of the day, and Sendai cannot disobey.One day after schoolMiyagi calls Sendai to her room and gives her an order that she usually does not give.