Mariya can't wait to get into high school because her grandmother always raved about her own high school days. But on the day of the enrolment ceremony Mariya meets a mysterious boy in her garden, who later turns out to be the principal's son, who has lived in America for a long time. This boy, Leon Togami, wants to change the school from the ground up and is standing in an election for the current student representative. Leon wins and Mariya becomes his deputy...