Kojou is Asagi's classmate and friend. Asagi has strong feelings for Kojou since she met him during middle-school. Before Yukina came into their lives, it is shown that they have always been together with Motoki Yaze. She's been doing things for her to become closer towards Kojou. It is shown their too that she's not that close to Kojou since Yukina came because Yukina and Kojou are always together. It is later revealed that they have a daughter together named Moegi Akatsuki. But it is that Kojou loves both Asagi and Yukina equally.
Motoki is Asagi's childhood friend. He is often shown in this series. They don't seem to have romantic feelings for each other at all, they seem to get along good. Motoki is aware of Asagi's love interest for Kojou.