The story started when Aya is on her way to the High School entrance exam at Higashikou High, but because she is still wide awake last night she fell asleep on the bus. When she woke up she’s already on the next bus stop. She runs as fast as she could, still hoping that she could take up the exam. Unfortunately, while in a hurry she fell down on the bicycle park where a boy wearing a school uniform is gazing the sky. This boy is Haruto Asou, a son of the head doctor in a well known hospital in their place. Asou felt pity on Aya because despite of her bloody knees she’s still trying to catch up the examination. This inflames Asou to take Aya in the Higashikou High with his bicycle. Lately, both of them joined the examination. The result of the examination was released and the two both passed them.
On the first day of class, Aya and Asou were on the same section and also both of them are nominated as the class officer for the first semester. Their first task is to conduct a choral for the upcoming competition. But some of their classmates are not cooperative enough. Aya without the presence of Asou is having a hard time deciding on whether what song may the class fit the best. But days after Asou tried to convince their classmates to have a voting for the song that they want to sing so it would be easy for Aya to choose what song to perform. As day went by Aya is gaining more friends in school, she also joined