Aoi Shingu, overwhelmed by being too popular, struggles with the fact that he cannot experience what’s considered an ordinary youth. Longing for the “blue spring” of friends and romance, Aoi searches for someone who can draw all the school’s attention away from him. That’s when he meets Makoto Yamada, a strikingly handsome classmate—who, surprisingly, has lived his whole life as a die-hard background character!?