You Who Shine Brightly

Hoshiya Hikaru, now a second-year high school student, meets Hashimoto Kou, who is famous at school, through committee work. Hikaru was aware of Hashimoto Kou's existence, but thought the other person wouldn't know about him. However, Kou had known about Hikaru's existence even before they met at the committee. Why does he know? What was the reason? It would be some time before Hikaru would learn the answer.