They have a complex and evolving relationship. At first, they are just acquaintances, but as the story progresses, they grow closer and develop deeper feelings for each other.
The light novel is unique in its character development. Sasaki is initially seen as a bit of a playboy but as the story progresses, his deeper, more sincere side is revealed. Miyano, on the other hand, is shy and reserved about his own feelings, and his growth throughout the story is engaging. It also has a unique art style in its illustrations which add to the overall charm of the story.
One of the main themes is love and self - discovery. The relationship between Sasaki and Miyano evolves as they discover more about themselves and their feelings towards each other.
It's mainly about the relationship and development between Sasaki and Miyano. It might include their daily interactions, how their feelings for each other grow over time, and the story of their youth.