Yagasaki Hiroyuki has fallen in love with his senpai and elder by a year, Okada Haruna. Carrying Okada into an equipment room, he confesses his love for his senpai and asks if he would go out with him. In his typical manner, Okada replies 'sure' to the disbelief and joy to the dark-haired youth.
Thus, their relationship begins. While Yagasaki is truly infatuated with his senpai, Okada seems to treat the coupling in a rather laid back manner, as if they were merely friends that touched a little more than usual... (from"The Manga Obsession")