The retirement of the idol Yuka Kusakabe shocks the world and her biggest fan, Kosaku Hata. His classmates at School manage to get him out of his depression and bring him to class. But to everyone's surprise, Yuka Kusakabe transfers to Kosaku's class. Kosaku realizes he has a once-in-a-lifetime opportunity to get to personally know his dream girl and, together with his group of friends, try to find out why she came to the agricultural school and become more than just classmates.