Synopsis
Former couple Mizuto and Yume reunite as step-siblings when their parents announce a marriage on the day before high school. To prioritize their parents' relationship, they establish a rule to not engage in any sexual activities.
Former couple Mizuto and Yume reunite as step-siblings when their parents announce a marriage on the day before high school. To prioritize their parents' relationship, they establish a rule to not engage in any sexual activities.