"Girls going out with girls? That can't be! But..." One day, Marika Sakakibara, a popular high school girl, was offered one million yen by her beautiful classmate, Aya Fuwa. "Sakakibara-san, I will buy you for 10000 yen a day for one hundred days. Let us see if girls going out with girls really cannot be." "H-Huh?!" From that day, their after school xx time began. (Source: SB Creative, translated)